Add package publishing workflow (#301)

* build: add package publishing workflow

.github/workflows/pypi-publish.yml

@@ -0,0 +1,33 @@
+name: pypi-publish
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish-package:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: setup python
+        uses: actions/setup-python@v3
+        with:
+          python-version: 3.8
+
+      - name: Install pip
+        run: pip install pip
+
+      - name: Install Dependencies
+        run: pip install setuptools wheel
+
+      - name: Build package
+        run: python setup.py sdist bdist_wheel
+
+      - name: Publish to PyPi
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_UPLOAD_TOKEN }}