add pypi distribution workflow

.github/workflows/pypi-publish.yaml

@@ -0,0 +1,29 @@
+name: Publish Python Package
+
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  build-n-publish:
+    name: Build and publish Python 🐍 distributions 📦 to PyPI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install wheel
+      - name: build a binary wheel dist
+        run: |
+          rm -rf dist
+          python setup.py bdist_wheel sdist
+      - name: Publish distribution 📦 to PyPI
+        uses: pypa/gh-action-pypi-publish@v1.2.2
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}