Init publish workflow

.github/workflows/publish.yml

@@ -0,0 +1,33 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    needs: [linter, tox]
+    steps:
+    - 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 build setuptools wheel twine
+    - name: Build a binary wheel and a source tarball
+      run: >-
+        python -m
+        build
+        --sdist
+        --wheel
+        --outdir dist/
+    - name: Build and publish 📦 to PyPI
+      if: startsWith(github.ref, 'refs/tags')
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        password: ${{ secrets.PYPI_API_TOKEN }}

README.md

@@ -45,10 +45,8 @@ tox
 ```bash
 # Bump version (patch, minor, major)
 bumpversion patch
-# Build package
-python setup.py sdist bdist_wheel
-# Upload package to PyPI
-twine upload dist/*
+# Push to github
+git push --tags origin master
 ```