add lots of boilerplate python packaging code

.github/workflows/python_publish.yml

@@ -0,0 +1,60 @@
+name: Publish Python 🐍 distribution 📦 to PyPI and TestPyPI
+
+on: push
+
+jobs:
+  build:
+    name: Build distribution 📦
+    runs-on: ubuntu-latest
+
+    env:
+      RUNNER_TOOL_CACHE: /toolcache  # https://about.gitea.com/resources/tutorials/enable-gitea-actions-cache-to-accelerate-cicd
+      AGENT_TOOLSDIRECTORY: /toolcache  # https://github.com/actions/setup-python/issues/824
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.x"
+    - name: Install pypa/build
+      run: >-
+        python3 -m
+        pip install
+        build
+        --user
+    - name: Build a binary wheel and a source tarball
+      run: python3 -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+
+  publish-to-pypi:
+    name: >-
+      Publish Python 🐍 distribution 📦 to PyPI
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    needs:
+    - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/goat_monitor
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+
+    env:
+      RUNNER_TOOL_CACHE: /toolcache  # https://about.gitea.com/resources/tutorials/enable-gitea-actions-cache-to-accelerate-cicd
+      AGENT_TOOLSDIRECTORY: /toolcache  # https://github.com/actions/setup-python/issues/824
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Publish distribution 📦 to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        password: ${{ secrets.PYPI_API_TOKEN }}