redis onoff만들어서 쓸때만 .env에 on하기

bot/src/classes/RedisClient.ts

@@ -23,7 +23,12 @@ type SubAction =
   "queue_set" |
   "queue_remove";
 
-export class RedisClient {
+export const RedisClient = () => {
+  if (Config.redis.state) return new RedisClientClass();
+  return null;
+}
+
+class RedisClientClass {
   public pub: Redis = new Redis({ host: Config.redis.host, port: Config.redis.port });
   public sub: Redis = new Redis({ host: Config.redis.host, port: Config.redis.port });