redis onoff만들어서 쓸때만 .env에 on하기

bot/src/index.ts

@@ -21,7 +21,7 @@ process.on('SIGTERM', () => {
 export const client = new BotClient();
 export const lavalinkManager = new LavalinkManager(client);
 export const handler = new Handler();
-export const Redis = new RedisClient();
+export const Redis = RedisClient();
 
 for (const eventName of Object.keys(onEvents) as (keyof typeof onEvents)[]) {
   client.onEvent(eventName, onEvents[eventName]);