refactor: update user role management and enhance UI components

- Updated the user role management logic to improve type safety and error handling, including better handling of role permissions and user associations.
- Refactored the UI components for user management, enhancing the layout and styling for better user experience.
- Removed outdated code related to menu permissions and streamlined the database schema for roles and profiles.
- Improved the overall structure and readability of the codebase, ensuring consistency across components.

apps/web/src/lib/auth.ts

@@ -0,0 +1,7 @@
+import { createAuthClient } from "better-auth/client";
+import { convexClient } from "@convex-dev/better-auth/client/plugins";
+
+export const authClient = createAuthClient({
+  baseURL: "http://localhost:5173",
+  plugins: [convexClient()],
+});