feat(center): add audit logs for auth and node operations

Fabric.Backend.Center/src/app.module.ts

@@ -4,9 +4,15 @@ import { buildTypeOrmConfig } from './database.config';
 import { HealthController } from './common/health.controller';
 import { AuthModule } from './auth/auth.module';
 import { NodesModule } from './nodes/nodes.module';
+import { AuditModule } from './audit/audit.module';
 
 @Module({
-  imports: [TypeOrmModule.forRoot(buildTypeOrmConfig()), AuthModule, NodesModule],
+  imports: [
+    TypeOrmModule.forRoot(buildTypeOrmConfig()),
+    AuditModule,
+    AuthModule,
+    NodesModule,
+  ],
   controllers: [HealthController],
 })
 export class AppModule {}