Add publish workflow

.github/workflows/publish.yaml

@@ -0,0 +1,25 @@
+name: publish
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build-and-publish:
+    if: github.event_name == 'release' && github.event.action == 'created'
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install hatch
+    - name: Build package
+      run: hatch build
+    - name: Publish package
+      run : |
+        hatch publish -u __token__ -a ${{ secrets.PYPI_API_TOKEN }}