add github actions to auto release new package

.github/workflows/build.yml

@@ -0,0 +1,73 @@
+name: Build
+
+on:
+  push:
+    branches: main
+    tags:
+    - v*
+  pull_request:
+    branches: '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Install node
+      uses: actions/setup-node@v1
+      with:
+       node-version: '16.x'
+    - name: Install Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.7'
+        architecture: 'x64'
+
+
+    - name: Setup pip cache
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: pip-3.7-${{ hashFiles('package.json') }}
+        restore-keys: |
+          pip-3.7-
+          pip-
+
+    - name: Get yarn cache directory path
+      id: yarn-cache-dir-path
+      run: echo "::set-output name=dir::$(yarn cache dir)"
+    - name: Setup yarn cache
+      uses: actions/cache@v2
+      id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+      with:
+        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+        key: yarn-${{ hashFiles('**/yarn.lock') }}
+        restore-keys: |
+          yarn-
+
+    - name: Install dependencies
+      run: python -m pip install -U jupyterlab~=3.0 jupyter_packaging~=0.7.9
+    - name: Setup tmate session
+      if: ${{ failure() }}
+      uses: mxschmitt/action-tmate@v3
+      with:
+        limit-access-to-actor: true
+    - name: build
+      run: |
+        python -m pip install build wheel jupyter_packaging
+        python setup.py sdist
+        python setup.py bdist_wheel
+
+    - name: Publish distribution 📦 to Test PyPI
+      uses: pypa/gh-action-pypi-publish@master
+      if: startsWith(github.ref, 'refs/tags/v')
+      with:
+        password: ${{ secrets.TEST_PYPI_API_TOKEN }}
+        repository_url: https://test.pypi.org/legacy/
+
+    - name: Publish distribution 📦 to PyPI
+      if: startsWith(github.ref, 'refs/tags/v')
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        password: ${{ secrets.PYPI_API_TOKEN }}

setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name="multicontents",
-    version="0.3.0",
+    version="0.4.0",
     description="providing contents from multiple sources in jupyter notebook",
     long_description_content_type="text/markdown",
     long_description=long_description,