feat(identity): redesign identity module and introduce RBAC foundation

- Redesign the Identity module with a richer domain model.
- Extend the User entity to support username, Authentik integration, activity tracking, and storage information.
- Add Role and Permission domain models with many-to-many relationships.
- Implement RBAC foundation using UserRole, RolePermission, and UserPermission mappings.
- Add user storage quota and usage fields with default values.
- Introduce Authentik identifiers and synchronization metadata.
- Refactor user domain logic for role and permission management.
- Update Prisma schema to support the new identity architecture.
- Improve JWT authentication and permission guard integration.
- Update repositories, handlers, controllers, mappers, DTOs, and Swagger configuration.
- Refresh environment configuration and project dependencies.

src/app.module.ts

@@ -2,6 +2,7 @@ import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
 
 import { IdentityModule } from './modules/identity/identity.module';
+import { AuthModule } from './modules/auth/auth.module';
 
 @Module({
   imports: [
@@ -10,6 +11,7 @@ import { IdentityModule } from './modules/identity/identity.module';
     }),
 
     IdentityModule,
+    AuthModule,
   ],
 })
 export class AppModule {}