Add workflow for publishing releases to PyPI

Author: bdalpe

.github/workflows/pypi.yml

@@ -0,0 +1,41 @@
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  pypi:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+
+      - name: Build release
+        run: |
+          python setup.py sdist bdist_wheel
+
+      - name: Create GitHub release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+
+      - name: Publish package
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}