chore: update README to include the note about updating npm
chore: update README to include the note about updating npm

abdolmajidazad/neveshtak,francarmona/ionice-contryside-events-app,kumarnavinrai/finalmcu,nReality/SUGSA-ScrumGathering-App2016,minhlong/NamHoa-Ionic,Beslinda/catalogIonicApp,nReality/SUGSA-ScrumGathering-App2016,nReality/AgileAfricaConf-app,nReality/SUGSA-ScrumGathering-App2016,nReality/SUGSA-ScrumGathering-App2016,pierrecabriere/Greencharge,nReality/SUGSA-ScrumGathering-App2016,fmsouza/mangiare,tommy-boy/AMZNDEALS,fmsouza/mangiare,driftyco/ionic-conference-app,francarmona/ionice-contryside-events-app,TobiasSchaeuble/HMAD,subsolo/ITHC,nReality/SUGSA-ScrumGathering-App2016,laodice/ionic-conference-app-session2,ericel/weytindey,Beslinda/catalogIonicApp,laodice/ionic-conference-app-session2,subsolo/ITHC,nReality/AgileAfricaConf-app,nReality/AgileAfricaConf-app,ericel/weytindey,subsolo/ITHC,TobiasSchaeuble/HMAD,abdolmajidazad/neveshtak,nReality/AgileAfricaConf-app,abdolmajidazad/neveshtak,kumarnavinrai/finalmcu,laodice/ionic-conference-app-session2,tommy-boy/AMZNDEALS,nReality/AgileAfricaConf-app,TobiasSchaeuble/HMAD,fmsouza/mangiare,minhlong/NamHoa-Ionic,sinholic/aero-flyer,kumarnavinrai/finalmcu,pierrecabriere/Greencharge,nReality/AgileAfricaConf-app,tommy-boy/AMZNDEALS,pierrecabriere/Greencharge,Beslinda/catalogIonicApp,minhlong/NamHoa-Ionic,nReality/AgileAfricaConf-app,nReality/SUGSA-ScrumGathering-App2016,francarmona/ionice-contryside-events-app,fmsouza/mangiare,driftyco/ionic-conference-app,driftyco/ionic-conference-app,ericel/weytindey,sinholic/aero-flyer,sinholic/aero-flyer