https://forum.cfx.re/t/installing-an-ymap-into-an-fxserver-of-fivem/104174/2?u=cjthunder
here ya go
lots of tutorials on FiveM Forums and youtube. I just posted that link for you and just so you know, the search functions will be your best source and friend 
@Bdkohnhow do i install this?
I mean honestly theres oil fields out there so realistically theyd have some cash going into the town supplying workers although methed out ones