Add GHA automated release from tag

Author: aiguofer

.github/workflows/tagged-release.yml

@@ -0,0 +1,44 @@
+name: "tagged-release"
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  tagged-release:
+    name: "Tagged Release"
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        if [ -f requirements_dev.txt ]; then pip install -r requirements_dev.txt; fi       
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        pytest
+
+    - uses: "marvinpinto/action-automatic-releases@latest"
+      with:
+        repo_token: "${{ secrets.GITHUB_TOKEN }}"
+        prerelease: false
+        files: |
+          *