update gitignore
update gitignore

joao-parana/sample-TelerikNEXT,renatograel14/ProgressXchange,renatograel14/ProgressXchange,joao-parana/sample-TelerikNEXT,renatograel14/ProgressXchange,Icenium/nativescript-sample-TelerikNEXT,Icenium/nativescript-sample-TelerikNEXT