This nodejs script will auto reply to your dm messages in discord.
Create a file called .env and enter this
TOKEN=your_discord_token
To get your discord token refer to this
https://gist.github.com/MarvNC/e601f3603df22f36ebd3102c501116c6
Run The Command npm install once its complete then run npm start
Check the console and enter your afk message.
Hit enter and then wait a few seconds till you see the message "AFK Thingy Ready.".
Aand done. Now if someone dms you, they will get a reply with your afk message.