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

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