feat: migrate docs to pages

.github/workflows/docs.yml

@@ -0,0 +1,43 @@
+name: docs
+
+on:
+  push:
+    tags:
+      - 'v3.*.*'
+
+permissions:
+  contents: write
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Configure Git Credentials
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email 41898282+github-actions[bot]@users.noreply.github.com
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+
+      - name: Cache dependencies
+        run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
+
+      - uses: actions/cache@v4
+        with:
+          key: mkdocs-material-${{ env.cache_id }}
+          path: ~/.cache
+          restore-keys: |
+            mkdocs-material-
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
+      - name: Install docs dependencies
+        run: uv sync --group docs
+
+      - name: Deploy to GitHub Pages
+        run: uv run mkdocs gh-deploy --force