Refactor code structure and dependencies

src/app.module.ts

@@ -2,10 +2,12 @@ import { Module } from '@nestjs/common';
 import { GraphqlModule } from './graphql/graphql.module';
 import { PrismaModule } from './prisma/prisma.module';
 import { UsersModule } from './users/users.module';
+import { ClerkModule } from './clerk/clerk.module';
 
 @Module({
   imports: [
     GraphqlModule,  // GraphQL setup
+    ClerkModule,  // Clerk setup
   ],
 })
 export class AppModule {}