DOCS: refactor docs to use mkdocs

Author: mdw771

.github/workflows/docs.yml

@@ -0,0 +1,61 @@
+name: Documentation
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - ".github/workflows/docs.yml"
+      - "docs/**"
+      - "mkdocs.yml"
+      - "pyproject.toml"
+      - "packages/eaa-core/pyproject.toml"
+      - "uv.lock"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Build documentation
+        run: uv run --frozen --extra docs mkdocs build --strict
+
+      - name: Configure Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: site
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.gitignore

@@ -21,6 +21,7 @@ skill_factory/
 AGENTS.md
 CLAUDE.md
 docs/_build/
+site/
 
 # Images
 **/*.png

.readthedocs.yaml

@@ -265,14 +265,12 @@ python -m eaa_core.cli install-skills --destination ~/.eaa_skills
 
 ## Documentation
 
-Sphinx documentation lives under `docs/` and is configured for Read the Docs.
-Build it locally with:
+Documentation lives under `docs/` and is built with Material for MkDocs. Build
+it locally with:
 
 ```bash
-uv sync --extra docs
-source .venv/bin/activate
-cd docs
-make html
+uv run --extra docs mkdocs build --strict
 ```
 
-The generated site will be in `docs/_build/html/`.
+The generated site will be in `site/`. The GitHub Actions workflow in
+`.github/workflows/docs.yml` publishes it to `https://mdw771.github.io/eaa/`.