feat(reputation): add ReputationService, rank resolver integration, and GET /api/reputation

apps/api/src/app.module.ts

@@ -7,6 +7,7 @@ import { HealthModule } from './health/health.module';
 import { HuntingModule } from './hunting/hunting.module';
 import { InventoryModule } from './inventory/inventory.module';
 import { RenownModule } from './renown/renown.module';
+import { ReputationModule } from './reputation/reputation.module';
 import { TravelModule } from './travel/travel.module';
 import { WorldModule } from './world/world.module';
 
@@ -22,6 +23,7 @@ import { WorldModule } from './world/world.module';
     EquipmentModule,
     InventoryModule,
     RenownModule,
+    ReputationModule,
   ],
 })
 export class AppModule {}