Add a workflow for PyPI uploads

.github/workflows/pypi-publish.yml

@@ -0,0 +1,33 @@
+# This workflow will upload a Python Package using Twine when a release is created
+
+name: Upload Python Package on PyPI
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  deploy:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - name: Install dependencies
+      run: |
+        pip install --upgrade pip
+        pip install -r requirements.txt
+
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{secrets.PYPI_TOKEN}}
+      run: |
+        python -m build
+        python -m twine upload --repository pypi dist/*