Add workflow for AI documentation generation (#384)

.github/workflows/ai-docs.yml

@@ -0,0 +1,44 @@
+name: Generate AI Documentation
+
+on:
+  push:
+    branches:
+      - 'trunk'
+
+jobs:
+  generate-ai-docs:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install repomix
+        run: npm install -g repomix
+
+      - name: Generate AI documentation
+        run: repomix --style=markdown docs/ example/ -o docs/ai.md
+
+      - name: Check for changes
+        id: git-check
+        run: |
+          git add docs/ai.md
+          git diff --staged --quiet docs/ai.md || echo "changes=true" >> $GITHUB_OUTPUT
+
+      - name: Commit changes
+        if: steps.git-check.outputs.changes == 'true'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git commit -m "Docs: update AI documentation" docs/ai.md
+          git push

docs/index.md

@@ -35,6 +35,7 @@ For plugin overview and getting started guide, see [README](../README.md).
 
 ## Additional Documentation
 
+- [AI Documentation](ai.md)
 - [Contributing Guidelines](../CONTRIBUTING.md)
 - [Security Policy](../SECURITY.md)
 - [Code of Conduct](https://make.wordpress.org/handbook/community-code-of-conduct/)