[Server] Introduce admin stream channel

src/server/api/stream/channels/index.ts

@@ -11,6 +11,7 @@ import messagingIndex from './messaging-index';
 import drive from './drive';
 import hashtag from './hashtag';
 import apLog from './ap-log';
+import admin from './admin';
 import gamesReversi from './games/reversi';
 import gamesReversiGame from './games/reversi-game';
 
@@ -28,6 +29,7 @@ export default {
 	drive,
 	hashtag,
 	apLog,
+	admin,
 	gamesReversi,
 	gamesReversiGame
 };