feat: add AI-generated study plan creation dialog and API integration

- Implemented CreatePlanDialog component for generating study plans using AI.
- Integrated postAPI function for handling API requests.
- Updated planes.tsx to include AI plan generation logic.
- Modified usuarios.tsx to enable email confirmation for new users.
- Added Switch component for UI consistency.
- Created api.ts for centralized API handling.
- Developed carreras.tsx for managing career data with filtering and CRUD operations.
- Added CarreraFormDialog and CarreraDetailDialog for creating and editing career details.
- Implemented CriterioFormDialog for adding criteria to careers.

src/routes/_authenticated/usuarios.tsx

@@ -142,7 +142,7 @@ function RouteComponent() {
             const { error } = await admin.auth.admin.createUser({
                 email: createForm.email.trim(),
                 password,
-                email_confirm: false,
+                email_confirm: true,
                 user_metadata: {
                     nombre: createForm.nombre ?? "",
                     apellidos: createForm.apellidos ?? "",