installable app2 progressive web app2 pwa2 add to home screen1 announcements1 app manifest1 browser notifications1 crm1 customer notifications1 laravel plugin1 live streaming1 mobile app1 notification center1 offline support1 perfex1 perfex crm1 perfex module1 playhub1 playhub plugin1 push notifications1 react plugin1 service worker1 staff notifications1 video cms1 web app1 web push1