chore(README): update README to include slides and tutorial folder
chore(README): update README to include slides and tutorial folder

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