Merge pull request #170 from ianhi/publish-with-CI

add github action to publish to pypi

.github/workflows/publish.yml

@@ -0,0 +1,27 @@
+# heavily based on https://github.com/jupyterlab/jupyterlab-git/blob/v0.22.2/.github/workflows/publish.yml
+name: Publish Package
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.8'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install packaging setuptools twine wheel
+    - name: Publish the Python package
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload dist/*