General: Update the enabled plugin list

Renames the support-investigator entry to support, following the plugin's own
rename, and enables frontend-design.

Author: d4rken

.claude/settings.json

@@ -3,6 +3,7 @@
     "debugbadger@claude-code-cafe": true,
     "jvm-tools@claude-code-cafe": true,
     "devtools@claude-code-cafe": true,
-    "support-investigator@claude-code-cafe": true
+    "support@claude-code-cafe": true,
+    "frontend-design@claude-plugins-official": true
   }
 }