Added action to publish to PyPI

.github/workflows/pypi.yml

@@ -0,0 +1,26 @@
+name: Publish Package to PyPI
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  publish_to_pypi:
+    name: Publish a new version to PyPI
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: pip install wheel setuptools
+
+      - name: Build package
+        run: python setup.py sdist bdist_wheel
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}