Add git workflow for publishing to pypi and test pypi (#1228)

* add git workflow for publishing to pypi

.github/workflows/publish-to-test-pypi.yml

@@ -0,0 +1,36 @@
+name: Publish Python 🐍 distributions 📦 to PyPI
+
+on: push
+
+jobs:
+  build-n-publish:
+    name: Build and publish Python 🐍 distributions 📦 to PyPI
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+
+    - name: Install 
+      if: startsWith(github.ref, 'refs/tags')
+      run: >-
+        python3 -m 
+        pip install 
+        --user 
+        --upgrade setuptools wheel
+  
+    - name: Build a binary wheel and a source tarball
+      if: startsWith(github.ref, 'refs/tags')
+      run: >-
+        python3 setup.py 
+        sdist 
+        bdist_wheel
+ 
+    - name: Publish distribution 📦 to PyPI
+      if: startsWith(github.ref, 'refs/tags')
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        password: ${{ secrets.pypi_password }}