chore: add publishing workflow

.github/workflows/publish.yml

@@ -0,0 +1,30 @@
+name: Publish Package
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "setup.cfg"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install build
+          pip install twine
+      - name: Build package
+        run: python -m build
+      - name: Publish package
+        run: twine upload dist/*
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}