feat(api-watermark): 添加水印管理相关接口

apps/api/src/watermarks/watermarks.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { IdempotencyService } from '../common/idempotency.service.js';
+import { WatermarksController } from './watermarks.controller.js';
+import { WatermarksService } from './watermarks.service.js';
+
+@Module({
+    controllers: [WatermarksController],
+    providers: [IdempotencyService, WatermarksService],
+})
+export class WatermarksModule {}