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/frontend/src/lib/api/resources/plans.ts

@@ -1,7 +1,7 @@
-import type { PlanSummary } from '@repo/api-contract';
+import type { PlanWithFeatures } from '@repo/api-contract';
 import { http } from '../http';
 
 export async function list() {
-  const response = await http.get<PlanSummary[]>('/api/plans');
+  const response = await http.get<PlanWithFeatures[]>('/api/plans');
   return response.data;
 }