ci: add docs dispatch workflow for rezitui.dev

Triggers website rebuild when docs/ or mkdocs.yml changes on main.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: RtlZeroMemory

.github/workflows/docs-dispatch.yml

@@ -0,0 +1,22 @@
+# This workflow goes in the Rezi repo at .github/workflows/docs-dispatch.yml
+# It triggers the website repo to sync docs when docs/ changes
+
+name: Dispatch Docs Update
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'docs/**'
+      - 'mkdocs.yml'
+
+jobs:
+  dispatch:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Dispatch to website repo
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          token: ${{ secrets.WEBSITE_DISPATCH_TOKEN }}
+          repository: RtlZeroMemory/rezitui.dev
+          event-type: docs-update