feat: add HTTP API and complete client workflows

api/src/open-api/open-api.module.ts

@@ -0,0 +1,16 @@
+import { forwardRef, Module } from '@nestjs/common';
+import { PrismaModule } from '../prisma/prisma.module';
+import { SendChainModule } from '../send-chain/send-chain.module';
+import { AdminOpenApiController } from './admin-open-api.controller';
+import { ClientOpenApiController } from './client-open-api.controller';
+import { OpenApiAuthGuard } from './open-api-auth.guard';
+import { OpenApiController } from './open-api.controller';
+import { OpenApiService } from './open-api.service';
+
+@Module({
+  imports: [PrismaModule, forwardRef(() => SendChainModule)],
+  controllers: [OpenApiController, AdminOpenApiController, ClientOpenApiController],
+  providers: [OpenApiService, OpenApiAuthGuard],
+  exports: [OpenApiService],
+})
+export class OpenApiModule {}