Add PyPI publishing workflow (#545)

.github/workflows/publish-to-pypi.yml

@@ -0,0 +1,16 @@
+name: Publish package to PyPI
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build and publish to pypi
+        uses: JRubics/[email protected]
+        with:
+          pypi_token: ${{ secrets.PYPI_TOKEN }}