Add Github Action for PyPI releases

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: release
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: 'Tag to release'
+        required: true
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        if: ${{ github.event_name == 'release' }}
+      - uses: actions/checkout@v2
+        if: ${{ github.event_name == 'workflow_dispatch' }}
+        with:
+          ref: ${{ github.event.inputs.ref }}
+      - name: Create dist
+        run: make wheel
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}