CI: GitHub action config for releases

.github/workflows/release.yml

@@ -0,0 +1,24 @@
+name: StrictDoc Python Package Release
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python
+        echo ::set-env name=PATH::$HOME/.poetry/bin:$PATH
+    - name: Build and publish
+      run: |
+        poetry publish --username ${{ secrets.PYPI_USERNAME }} --password ${{ secrets.PYPI_PASSWORD }} --build