ci(docs): trigger Pages build on feature branch for debugging

Adds the docusaurus feature branch to the push trigger so the workflow
runs automatically on each push, allowing the build to be verified
before merge. Remove after merging to main.

https://claude.ai/code/session_011UQT9Yu7T3U3393WiDXemb

Author: claude

.github/workflows/docusaurus-gh-pages.yml

@@ -2,7 +2,7 @@ name: Deploy Docusaurus docs site to GitHub Pages
 
 on:
   push:
-    branches: ["main"]
+    branches: ["main", "claude/docusaurus-dark-light-theme-4BT5j"]
     paths:
       - "docs/**"
       - ".github/workflows/docusaurus-gh-pages.yml"