fix async promise

src/messages.ts

@@ -13,10 +13,10 @@ export async function messagehandler(bot: Bot, message: Message) {
     // const args = message.content.split(" ").slice(1);
     switch (command) {
         case `${prefix}rule`:
-            rule34MessageHandler(bot, message)
+            await rule34MessageHandler(bot, message)
             break
         case `${prefix}yande`:
-            yandereMessageHandler(bot, message)
+            await yandereMessageHandler(bot, message)
             break
     }
 }