Add RSG (RedM) to the list of frameworks

[RexShack]

Frameworks page: https://docs.fivem.net/docs/server-manual/frameworks/

RSG RedM Framework : https://github.com/Rexshack-RedM
RSG Docs : https://rexshack-gaming.gitbook.io/rsg-documentation

Thanks in advance.

[suu-yoshida]

Yes please add it

[pedrohtomazi]

RSG is the best!