refactor: enhance role management UI and integrate profile management features

- Introduced a modal for managing user profiles, allowing for the creation and editing of profiles with improved state management.
- Updated the role filtering logic to enhance type safety and readability.
- Refactored UI components for better user experience, including improved button states and loading indicators.
- Removed outdated code related to permissions and streamlined the overall structure for maintainability.

apps/web/src/routes/api/auth/[...all]/+server.ts

@@ -0,0 +1,3 @@
+import { createSvelteKitHandler } from "@mmailaender/convex-better-auth-svelte/sveltekit";
+
+export const { GET, POST } = createSvelteKitHandler();