publish to pypi as releases are generated with the release drafter (#1647)

Author: chayim

.github/workflows/pypi-publish.yaml

@@ -0,0 +1,31 @@
+name: Publish tag to Pypi
+
+on:
+  release:
+    types: [published]
+
+jobs:
+
+  build_and_package:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: install python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.0
+      - name: Install dev tools
+        run: |
+          pip install -r dev_requirements.txt
+          pip install twine wheel
+
+      - name: Build package
+        run: |
+          python setup.py build
+          python setup.py dist bdist_wheel
+
+      - name: Publish to Pypi
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}