Add an example about custom mimes
Add an example about custom mimes

nshafer/phoenix,lono-devices/phoenix,CD1212/phoenix,maxnordlund/phoenix,eksperimental/phoenix,keathley/phoenix,jeffkreeftmeijer/phoenix,dmarkow/phoenix,Gazler/phoenix,lancehalvorsen/phoenix,korobkov/phoenix,robomc/phoenix,manukall/phoenix,mschae/phoenix,Joe-noh/phoenix,bsmr-erlang/phoenix,optikfluffel/phoenix,phoenixframework/phoenix,foxnewsnetwork/phoenix,mobileoverlord/phoenix,mschae/phoenix,jwarwick/phoenix,jamilabreu/phoenix,seejee/phoenix,0x00evil/phoenix,rafbgarcia/phoenix,cas27/phoenix,bsmr-erlang/phoenix,michalmuskala/phoenix,Ben-Evolently/phoenix,trarbr/phoenix,Kosmas/phoenix,stevedomin/phoenix,nshafer/phoenix,pap/phoenix,Kosmas/phoenix,pap/phoenix,rodrigues/phoenix,seejee/phoenix,andrewvy/phoenix,CultivateHQ/phoenix,dmarkow/phoenix,eksperimental/phoenix,vic/phoenix,trarbr/phoenix,optikfluffel/phoenix,ericmj/phoenix,brucify/phoenix,Smulligan85/phoenix,mobileoverlord/phoenix,korobkov/phoenix,optikfluffel/phoenix,DavidAlphaFox/phoenix,iStefo/phoenix,ephe-meral/phoenix,Smulligan85/phoenix,vic/phoenix,omotenko/phoenix_auth,Rumel/phoenix,keathley/phoenix,Joe-noh/phoenix,ybur-yug/phoenix,rafbgarcia/phoenix,y-yagi/phoenix,rafbgarcia/phoenix,mvidaurre/phoenix,evax/phoenix,iStefo/phoenix,andrewvy/phoenix,lono-devices/phoenix,mitchellhenke/phoenix,tony612/phoenix,manukall/phoenix,michalmuskala/phoenix,CultivateHQ/phoenix,omotenko/phoenix_auth,ephe-meral/phoenix,0x00evil/phoenix,lancehalvorsen/phoenix,Gazler/phoenix,cas27/phoenix,ericmj/phoenix,gjaldon/phoenix,jamilabreu/phoenix,wsmoak/phoenix,evax/phoenix,mvidaurre/phoenix,Rumel/phoenix,jwarwick/phoenix,DavidAlphaFox/phoenix,rodrigues/phoenix,0x00evil/phoenix,stevedomin/phoenix,wsmoak/phoenix,ybur-yug/phoenix,mitchellhenke/phoenix,nshafer/phoenix,phoenixframework/phoenix,phoenixframework/phoenix,gjaldon/phoenix