ci: publish to pypi

.github/workflows/publish.yml

@@ -0,0 +1,30 @@
+name: Publish ${package_name} to PyPI
+
+on:
+  push:
+    tags:
+      - "v*"
+jobs:
+  publish-pypi:
+    name: Build and publish to PyPI
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+
+      - name: Build source and wheel distributions
+        run: |
+          python -m pip install --upgrade build twine
+          python -m build
+          twine check --strict dist/*
+      - name: Publish distribution to PyPI
+        uses: pypa/gh-action-pypi-publish@ae63f3323ae7b31c08f2805b18056cbf132ce478
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}