[doc] Add documentation with mkdocs

.github/workflows/github-pages.yml

@@ -0,0 +1,42 @@
+name: Deploy Github Pages
+
+on:
+  push:
+    branches: ["main", "dev/doc"]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+      - name: Install Material for MkDocs
+        run: pip install mkdocs-material mkdocs-minify-plugin pillow cairosvg
+      - name: Build Website
+        working-directory: doc/
+        run: mkdocs build
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: './doc/site/'
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.gitignore

@@ -5,3 +5,5 @@
 
 addons/explore-editor-theme/
 archives/
+doc/.cache/
+doc/site/