With a lot of people with very potential projects presented a lot of quality mapping, I'm a bit late to introducing this but in this tutorial, I'll basically be showing off how to get your mapping into your server through means of it being client-sided. (Which I'd consider as far as displaying mapping goes instead of getting them through .jsons ala server-sided.)
What you'll need.
1. First you're gonna need to gather all the tools needed to bring a mapping over to your RageMP