chore: Add workflow for automagic PyPI release

.github/workflows/pypi.yml

@@ -0,0 +1,29 @@
+name: PyPI
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: "3.9"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+      - name: Remove existing packages
+        run: rm -rf ./dist/ ./anonip.egg-info/ ./build/
+      - name: Run twine
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+          TWINE_NON_INTERACTIVE: true
+        run: |
+          python setup.py sdist bdist_wheel
+          twine upload dist/*