Add github action to build the code

.github/workflows/build.yml

@@ -0,0 +1,56 @@
+
+name: Build
+
+on:
+  workflow_dispatch:
+    inputs:
+      releaseVersion:
+        description: 'Release version (major.minor.patch)'
+        required: false
+        default: ''
+  push:
+    branches:
+      - 'develop'
+      - 'release/*'
+  pull_request:
+    branches:
+      - 'develop'
+      - 'release/*'
+
+jobs:
+  build:
+    name: Build Job
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: '0'
+
+      - name: Setup JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: 11
+
+      - name: Cache local Maven repository
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: Prepare version
+        if: ${{ inputs.releaseVersion != '' }}
+        run: 'mvn --batch-mode release:update-versions -DdevelopmentVersion=${{ inputs.releaseVersion }}'
+
+      - name: Build & Test with Maven
+        run: 'mvn clean install'
+
+      - name: Save Package / Artifact
+        if: ${{ inputs.releaseVersion != '' }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: 'aem-package'
+          path: all/target/*.zip