fix(build): Correct syntax error in tailwind.config.js

- Fixed malformed object structure where 'plugins' array was orphaned outside the export
- This resolves the 'Unexpected token' build error
- Re-enables the new Stone/Lime design system

frontend/tailwind.config.js

@@ -208,6 +208,5 @@ export default {
             },
         },
     },
-},
     plugins: [],
 }