diff --git a/.github/ISSUE_TEMPLATE/bug-report.md b/.github/ISSUE_TEMPLATE/bug-report.md
new file mode 100644
index 0000000..b9a91fa
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug-report.md
@@ -0,0 +1,20 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## Describe the bug
+A clear and concise description of what the bug is.
+
+## Steps to reproduce
+Clear instructions so we can reproduce the bug.
+
+## Expected behavior
+A clear and concise description of what you expected to happen.
+
+## Additional context
+Add any other context about the problem here.
diff --git a/.github/ISSUE_TEMPLATE/feature-request.md b/.github/ISSUE_TEMPLATE/feature-request.md
new file mode 100644
index 0000000..64a391b
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/feature-request.md
@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## Is your feature request related to a problem?
+A clear and concise description of what the problem is. E.g. I'm always frustrated when ...
+
+## Describe the solution you'd like
+A clear and concise description of what you want to happen.
+
+## Describe alternatives you've considered
+A clear and concise description of any alternative solutions or features you've considered.
+
+## Additional context
+Add any other context or screenshots about the feature request here.
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..5463252
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+version: 2
+updates:
+  - package-ecosystem: gomod
+    directory: "/"
+    schedule:
+      interval: daily
+      time: "20:00"
+    open-pull-requests-limit: 10
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
diff --git a/.github/workflows/gosec.yml b/.github/workflows/gosec.yml
new file mode 100644
index 0000000..23468a4
--- /dev/null
+++ b/.github/workflows/gosec.yml
@@ -0,0 +1,19 @@
+name: Gosec
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    env:
+      GO111MODULE: on
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v4
+      - name: Run Gosec Security Scanner
+        uses: securego/gosec@master
+        with:
+          args: --exclude-dir=examples --exclude-dir=aws ./...
diff --git a/.github/workflows/linux_test.yml b/.github/workflows/linux_test.yml
new file mode 100644
index 0000000..8c29670
--- /dev/null
+++ b/.github/workflows/linux_test.yml
@@ -0,0 +1,30 @@
+name: LinuxUnitTest
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  unit_test:
+    name: Unit test (linux)
+
+    strategy:
+      matrix:
+        platform: [ubuntu-latest]
+
+    runs-on: ${{ matrix.platform }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1"
+          check-latest: true
+
+      - name: Run tests with coverage report output
+        run: go test -cover -coverpkg=./... -coverprofile=coverage.out ./...
+      - uses: k1LoW/octocov-action@v0
diff --git a/.github/workflows/mac_test.yml b/.github/workflows/mac_test.yml
new file mode 100644
index 0000000..baec95a
--- /dev/null
+++ b/.github/workflows/mac_test.yml
@@ -0,0 +1,31 @@
+name: MacUnitTest
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  unit_test:
+    name: Unit test (mac)
+
+    strategy:
+      matrix:
+        platform: [macos-latest]
+
+    runs-on: ${{ matrix.platform }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1"
+          check-latest: true
+
+      - name: Run unit test
+        run: |
+          go mod download
+          go test -race -v ./...
diff --git a/.github/workflows/multi_ver_unittest.yml b/.github/workflows/multi_ver_unittest.yml
new file mode 100644
index 0000000..2f3f1e6
--- /dev/null
+++ b/.github/workflows/multi_ver_unittest.yml
@@ -0,0 +1,23 @@
+name: MultiVersionUnitTest
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  unit-test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ["1.18", "1.21"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: MultiVersionUnitTest
+        run: make test
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
new file mode 100644
index 0000000..3fb005b
--- /dev/null
+++ b/.github/workflows/reviewdog.yml
@@ -0,0 +1,42 @@
+name: reviewdog
+on: [pull_request]
+
+jobs:
+  golangci-lint:
+    name: golangci-lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: golangci-lint
+        uses: reviewdog/action-golangci-lint@v2
+        with:
+          reporter: github-pr-review
+          level: warning
+          golangci_lint_flags: --timeout=5m
+
+  misspell:
+    name: misspell
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: misspell
+        uses: reviewdog/action-misspell@v1
+        with:
+          reporter: github-pr-review
+          level: warning
+          locale: "US"
+
+  actionlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: reviewdog/action-actionlint@v1
+        with:
+          reporter: github-pr-review
+          level: warning
diff --git a/.github/workflows/windows_test.yml b/.github/workflows/windows_test.yml
new file mode 100644
index 0000000..af2b295
--- /dev/null
+++ b/.github/workflows/windows_test.yml
@@ -0,0 +1,31 @@
+name: WindowsUnitTest
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  unit_test:
+    name: Unit test (windows)
+
+    strategy:
+      matrix:
+        platform: [windows-latest]
+
+    runs-on: ${{ matrix.platform }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1"
+          check-latest: true
+
+      - name: Run unit test
+        run: |
+          go mod download
+          go test -race -v ./...
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 3b735ec..cb4dc7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,5 @@
 
 # Go workspace file
 go.work
+coverage.*
+naraku
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..c8cb0fe
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,56 @@
+run:
+  go: "1.20"
+
+issues:
+  exclude-use-default: false
+
+linters:
+  disable-all: true
+  enable:
+    - deadcode
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck
+    - asciicheck
+    - bodyclose
+    - dogsled
+    - dupl
+    - durationcheck
+    - errorlint
+    - exhaustive
+    - exportloopref
+    - forcetypeassert
+    - gochecknoglobals
+    - gochecknoinits
+    - goconst
+    - gocritic
+    - goimports
+    - gomnd
+    - gosec
+    - ifshort
+    - misspell
+    - nakedret
+    - noctx
+    - paralleltest
+    - prealloc
+    - rowserrcheck
+    - sqlclosecheck
+    - stylecheck
+    - tagliatelle
+    - thelper
+    - unconvert
+    - unparam
+    - wastedassign
+    - whitespace
+linters-settings:
+  tagliatelle:
+    case:
+      use-field-name: true
+      rules:
+        json: snake
diff --git a/.octocov.yml b/.octocov.yml
new file mode 100644
index 0000000..4ce08a6
--- /dev/null
+++ b/.octocov.yml
@@ -0,0 +1,28 @@
+# generated by octocov init
+coverage:
+  if: true
+  acceptable: 60%
+testExecutionTime:
+  if: true
+  acceptable: 1:1.1
+  acceptable: current <= 1min && diff <= 2sec
+diff:
+  datastores:
+    - artifact://${GITHUB_REPOSITORY}
+comment:
+  if: is_pull_request
+summary:
+  if: true
+report:
+  if: is_default_branch
+  datastores:
+    - artifact://${GITHUB_REPOSITORY}
+coverage:
+  badge:
+    path: docs/coverage.svg
+codeToTestRatio:
+  badge:
+    path: docs/ratio.svg
+testExecutionTime:
+  badge:
+    path: docs/time.svg
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..543a395
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,26 @@
+.PHONY: build test clean
+
+APP         = markdown
+VERSION     = $(shell git describe --tags --abbrev=0)
+GIT_REVISION := $(shell git rev-parse HEAD)
+GO          = go
+GO_BUILD    = $(GO) build
+GO_TEST     = $(GO) test -v
+GO_TOOL     = $(GO) tool
+GOOS        = ""
+GOARCH      = ""
+GO_PKGROOT  = ./...
+GO_PACKAGES = $(shell $(GO_LIST) $(GO_PKGROOT))
+GO_LDFLAGS  = 
+
+clean: ## Clean project
+	-rm -rf $(APP) cover.out cover.html
+
+test: ## Start unit test for server
+	env GOOS=$(GOOS) $(GO_TEST) -cover -coverpkg=$(GO_PKGROOT) -coverprofile=coverage.out $(GO_PKGROOT)
+	$(GO_TOOL) cover -html=coverage.out -o coverage.html
+	
+.DEFAULT_GOAL := help
+help: ## Show help message  
+	@grep -E '^[0-9a-zA-Z_-]+[[:blank:]]*:.*?## .*$$' $(MAKEFILE_LIST) | sort \
+	| awk 'BEGIN {FS = ":.*?## "}; {printf "\033[1;32m%-15s\033[0m %s\n", $$1, $$2}'
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..fa35d60
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/go-spectest/markdown
+
+go 1.18
diff --git a/markdown.go b/markdown.go
new file mode 100644
index 0000000..8285cd9
--- /dev/null
+++ b/markdown.go
@@ -0,0 +1,2 @@
+// Package markdown is markdown builder that includes to convert Markdown to HTML.
+package markdown