feat(message-gateway): add admin channel cards and per-type forms

frontend/lib/services/index.ts

@@ -23,6 +23,7 @@ import {
 import { AuthService } from './auth';
 import { ConfigService } from './config';
 import { DbManageService } from './db-manage';
+import { AdminMessageGatewayService } from './message-gateway';
 import { PushService } from './push';
 import { AdminUploadService, UploadService } from './upload';
 import { UserService } from './user';
@@ -43,6 +44,7 @@ const services = {
   adminUpload: AdminUploadService,
   dbManage: DbManageService,
   push: PushService,
+  adminMessageGateway: AdminMessageGatewayService,
 } as const;
 
 export default services;
@@ -167,6 +169,16 @@ export type {
 } from './db-manage';
 
 export { PushService } from './push';
+export { AdminMessageGatewayService } from './message-gateway';
+export type {
+  MessageChannel,
+  MessageChannelDefinition,
+  CreateMessageChannelRequest,
+  UpdateMessageChannelRequest,
+  PublicMessageChannel,
+  MessageBinding,
+  BindMessageChannelRequest,
+} from './message-gateway';
 export type {
   PushEvent,
   PushHistory,