ru language
ru language

Add ru language from laravel-date project
cl4rke/Carbon,lucas-macedo/Carbon,agolomazov/Carbon,hinternet/Carbon,ybr-nx/Carbon,jarnovanleeuwen/Carbon,IPQ-Tecnologia/Carbon,duyhuynhngoc/Carbon,kylekatarnls/Carbon,localheinz/Carbon,meebio/Carbon,ccarteronline/Carbon,lucasmichot/Carbon,EazyServer/Carbon,tiagocardosos/Carbon,dlepaux/Carbon,relaxsd/Carbon,pierredup/Carbon,damnedest/Carbon,rafwlaz/Carbon,Klinche/Carbon,Gerardo-junior/Carbon,serima/Carbon,lndj/Carbon,nicholas-eden/Carbon,aziraphale/Carbon,m4nt4s/Carbon,masterweb121/Carbon,briannesbitt/Carbon