chore: Add publish step

Author: jaysonsantos

.github/workflows/publish.yml

@@ -0,0 +1,39 @@
+name: Publish Python 🐍 distributions 📦 to PyPI
+on: push
+jobs:
+  build-n-publish:
+    name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+      - name: Setup pandoc for changelog conversion
+        run: sudo apt update && apt install -y pandoc
+      - name: Write pypi's readme
+        run: |
+          cat README.rst > to-pypi.rst
+          echo "" >> to-pypi.rst
+          pandoc -s --to rst -o /dev/stdout CHANGELOG.md | tee -a to-pypi.rst
+          mv to-pypi.rst README.rst
+      - name: Install pypa/build
+        run: >-
+          python -m
+          pip install
+          build
+          --user
+      - name: Build a binary wheel and a source tarball
+        run: >-
+          python -m
+          build
+          --sdist
+          --wheel
+          --outdir dist/
+          .
+      - name: Publish distribution 📦 to PyPI
+        if: startsWith(github.ref, 'refs/tags')
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          password: ${{ secrets.PYPI_API_TOKEN }}