Clarify required configuration for :maxmind_local.
Clarify required configuration for :maxmind_local.

3mundi/geocoder,GermanDZ/geocoder,StudioMelipone/geocoder,mdebo/geocoder,ivanzotov/geocoder,guavapass/geocoder,ankane/geocoder,brian-ewell/geocoder,jaigouk/geocoder-olleh,mehlah/geocoder,mveer99/geocoder,FanaHOVA/geocoder,Devetzis/geocoder,moofish32/geocoder,donbobka/geocoder,alexreisner/geocoder,rios1993/geocoder,rdlugosz/geocoder,gogovan/geocoder-olleh,tortuba/geocoder,andreamazz/geocoder,rayzeller/geocoder,malandrina/geocoder,sr-education/geocoder,sideci-sample/sideci-sample-geocoder,jaigouk/geocoder-olleh,aceunreal/geocoder,tiramizoo/geocoder,sjaveed/geocoder,AndyDangerous/geocoder,eugenehp/ruby-geocoder,crdunwel/geocoder,TrangPham/geocoder,jgrciv/geocoder,boone/geocoder,gogovan/geocoder-olleh,davydovanton/geocoder,epyatopal/geocoder