Add GitHub Actions workflow for PyPI publishing

Author: hzkitty

.github/workflows/publish_whl.yml

@@ -0,0 +1,34 @@
+name: Push rapid-doc to PyPI
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Install build tools
+        run: |
+          python -m pip install --upgrade pip
+          pip install build wheel
+
+      - name: Build wheel
+        run: |
+          python -m build --wheel
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@v1.5.0
+        with:
+          user: __token__
+          password: ${{ secrets.RAPID_DOC }}
+          packages_dir: dist/