Add docs workflow to GitHub actions

Author: jochenklar

.github/workflows/docs.yaml

@@ -0,0 +1,66 @@
+name: Docs
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+env:
+  PYTHONDONTWRITEBYTECODE: 1
+  PYTHON_VERSION: "3.12"
+
+jobs:
+  build:
+    name: Build MkDocs Site 🔨
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repo 🛎️
+      uses: actions/checkout@v6
+      with:
+        persist-credentials: false
+
+    - name: Set up Python 🐍
+      uses: actions/setup-python@v6
+      with:
+        python-version: ${{ env.PYTHON_VERSION }}
+        cache: pip
+
+    - name: Install dependencies 📦
+      run: pip install mkdocs mkdocs-material
+
+    - name: Build MkDocs site 🏗️
+      run: mkdocs build --strict --verbose
+
+    - name: Upload artifact 📤
+      uses: actions/deploy-pages@v4
+      with:
+        path: ./site
+
+  deploy:
+    name: Deploy to GitHub Pages 🚀
+    runs-on: ubuntu-latest
+    needs: build
+    if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Deploy to GitHub Pages 🌐
+        id: deployment
+        uses: actions/deploy-pages@v4