refactor(onboarding): restructure onboarding routes and components

- Removed obsolete onboarding routes: complete, create-complex, index, verify-email, and verify.
- Introduced new setup stepper page for onboarding process.
- Created a multi-step setup component to handle complex creation with validation.
- Added new schemas for complex creation and plan features.
- Implemented detailed steps for complex name, location, plan selection, and court setup.
- Enhanced error handling and user feedback during the onboarding process.

apps/backend/src/register-routes.ts

@@ -3,7 +3,6 @@ import { adminBookingRoutes } from '@/modules/admin-booking/admin-booking.routes
 import { authRoutes } from '@/modules/auth/auth.routes';
 import { complexRoutes } from '@/modules/complex/complex.routes';
 import { courtRoutes } from '@/modules/court/court.routes';
-import { onboardingRoutes } from '@/modules/onboarding/onboarding.routes';
 import { passwordResetRoutes } from '@/modules/password-reset/password-reset.routes';
 import { planRoutes } from '@/modules/plan/plan.routes';
 import { publicBookingRoutes } from '@/modules/public-booking/public-booking.routes';
@@ -20,7 +19,6 @@ export function registerRoutes(app: Hono<AppEnv>) {
     .route('', authRoutes)
     .route('/api/user', userRoutes)
     .route('/api/plans', planRoutes)
-    .route('/api/onboarding', onboardingRoutes)
     .route('/api/password-reset', passwordResetRoutes)
     .route('/api/complexes', complexRoutes)
     .route('/api/sports', sportRoutes)