add section on installing dependencies when we decline at app creation
add section on installing dependencies when we decline at app creation

0x00evil/phoenix,evax/phoenix,mitchellhenke/phoenix,tokafish/phoenix_guides,gjaldon/phoenix,dmarkow/phoenix,oldfartdeveloper/phoenix_guides,evax/phoenix,mschae/phoenix,0x00evil/phoenix,dmarkow/phoenix,optikfluffel/phoenix,pap/phoenix,michalmuskala/phoenix,nshafer/phoenix,fblecha/phoenix_guides,clessg/phoenix_guides,eksperimental/phoenix,3quarterstack/phoenix_guides,eksperimental/phoenix,tuvistavie/phoenix_guides,philss/phoenix_guides,Gazler/phoenix,phoenixframework/phoenix,rafbgarcia/phoenix,jwarwick/phoenix,phoenixframework/phoenix,stevedomin/phoenix_guides,korobkov/phoenix,mydearxym/phoenix_guides,larrylv/phoenix_guides,CultivateHQ/phoenix_guides,Kosmas/phoenix,rafbgarcia/phoenix,rafbgarcia/phoenix,0x00evil/phoenix,tianyi33/phoenix_guides,phoenixframework/phoenix,gjaldon/phoenix,mobileoverlord/phoenix,bsmr-erlang/phoenix,jwarwick/phoenix,Kosmas/phoenix,mschae/phoenix,stevedomin/phoenix,trarbr/phoenix,michalmuskala/phoenix,pap/phoenix-guides,nshafer/phoenix,wsmoak/phoenix_guides,leikind/phoenix_guides,nshafer/phoenix,korobkov/phoenix,keathley/phoenix,Joe-noh/phoenix,stevedomin/phoenix,bsmr-erlang/phoenix,Joe-noh/phoenix,optikfluffel/phoenix,mobileoverlord/phoenix,bratsche/phoenix_guides,keathley/phoenix,1ternal/phoenix_guides,optikfluffel/phoenix,sakishum/phoenix_guides,thetamind/phoenix_guides,jeffkreeftmeijer/phoenix_guides,greyhwndz/phoenix_guides,pap/phoenix,mitchellhenke/phoenix,iguberman/phoenix_guides,trarbr/phoenix,Gazler/phoenix