adding readme for count multipart features
adding readme for count multipart features

bsnider/developer-support,hhkaos/developer-support,Esri/developer-support,Esri/developer-support,nohe427/developer-support,hhkaos/developer-support,hanhansun/developer-support,aOrtego/developer-support,NoashX/developer-support,briantwatson/developer-support,aOrtego/developer-support,phpmaps/developer-support,nohe427/developer-support,hhkaos/developer-support,briantwatson/developer-support,goldenlimit/developer-support,goldenlimit/developer-support,Esri/developer-support,hanhansun/developer-support,jgravois/developer-support,briantwatson/developer-support,briantwatson/developer-support,marlak/developer-support,NoashX/developer-support,aOrtego/developer-support,Esri/developer-support,aOrtego/developer-support,hhkaos/developer-support,hanhansun/developer-support,hanhansun/developer-support,bsnider/developer-support,NoashX/developer-support,marlak/developer-support,nhaney90/developer-support,Esri/developer-support,jgravois/developer-support,marlak/developer-support,marlak/developer-support,briantwatson/developer-support,jgravois/developer-support,AkshayHarshe/developer-support,hanhansun/developer-support,briantwatson/developer-support,AkshayHarshe/developer-support,bsnider/developer-support,marlak/developer-support,hhkaos/developer-support,phpmaps/developer-support,Esri/developer-support,benstoltz/developer-support,goldenlimit/developer-support,Esri/developer-support,goldenlimit/developer-support,goldenlimit/developer-support,aOrtego/developer-support,goldenlimit/developer-support,briantwatson/developer-support,Esri/developer-support,nohe427/developer-support,bsnider/developer-support,phpmaps/developer-support,Esri/developer-support,phpmaps/developer-support,hhkaos/developer-support,jgravois/developer-support,goldenlimit/developer-support,Esri/developer-support,jgravois/developer-support,AkshayHarshe/developer-support,nohe427/developer-support,phpmaps/developer-support,hhkaos/developer-support,NoashX/developer-support,bsnider/developer-support,nohe427/developer-support,bsnider/developer-support,nohe427/developer-support,nohe427/developer-support,NoashX/developer-support,briantwatson/developer-support,goldenlimit/developer-support,benstoltz/developer-support,nhaney90/developer-support,briantwatson/developer-support,nohe427/developer-support,bsnider/developer-support,marlak/developer-support,jgravois/developer-support,briantwatson/developer-support,Esri/developer-support,Esri/developer-support,bsnider/developer-support,jgravois/developer-support,aOrtego/developer-support,NoashX/developer-support,jgravois/developer-support,nohe427/developer-support,benstoltz/developer-support,jgravois/developer-support,hanhansun/developer-support,nhaney90/developer-support,nhaney90/developer-support,briantwatson/developer-support,AkshayHarshe/developer-support,nhaney90/developer-support,briantwatson/developer-support,phpmaps/developer-support,marlak/developer-support,nhaney90/developer-support,nhaney90/developer-support,bsnider/developer-support,nohe427/developer-support,benstoltz/developer-support,phpmaps/developer-support,goldenlimit/developer-support,goldenlimit/developer-support,hhkaos/developer-support,aOrtego/developer-support,NoashX/developer-support,benstoltz/developer-support,nhaney90/developer-support,jgravois/developer-support,NoashX/developer-support,hanhansun/developer-support,bsnider/developer-support,benstoltz/developer-support,hhkaos/developer-support,aOrtego/developer-support,marlak/developer-support,nhaney90/developer-support,marlak/developer-support,hanhansun/developer-support,phpmaps/developer-support,AkshayHarshe/developer-support,nohe427/developer-support,AkshayHarshe/developer-support,goldenlimit/developer-support,jgravois/developer-support,briantwatson/developer-support,phpmaps/developer-support,Esri/developer-support,bsnider/developer-support,nhaney90/developer-support,nohe427/developer-support,hhkaos/developer-support,hanhansun/developer-support,nhaney90/developer-support,hhkaos/developer-support,nohe427/developer-support,NoashX/developer-support,benstoltz/developer-support,phpmaps/developer-support,marlak/developer-support,AkshayHarshe/developer-support,AkshayHarshe/developer-support,AkshayHarshe/developer-support,benstoltz/developer-support