Fix GitHub Pages base path for php repo

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Matt

.github/workflows/deploy.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Build
         run: npm run build
         env:
-          BASE_PATH: '/rust'
+          BASE_PATH: '/php'
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3