/motd command to see the motd anytime.

### Your GTNH Discord Username

StoneLegion

### Feature Request

Really simple one, /motd to show the normal motd in chat when you enter the game. This way when someone says WHAT'S THE DISCORD INFO, etc. We can say /motd ;) 

Thanks.

### Final Checklist

- [x] I have searched the issues and haven't found a similar issue.