Update index.js
Update index.js

Fixes error below when trying to gulp dev in app web.
ERROR in ./src/app/index.js
Module not found: Error: Cannot resolve module 'utils/isMobile' in actor-platform/actor-apps/app-web/src/app
 @ ./src/app/index.js 43:21-46

dfsilva/actor-platform,ufosky-server/actor-platform,dfsilva/actor-platform,EaglesoftZJ/actor-platform,actorapp/actor-platform,EaglesoftZJ/actor-platform,actorapp/actor-platform,EaglesoftZJ/actor-platform,ufosky-server/actor-platform,ufosky-server/actor-platform,ufosky-server/actor-platform,dfsilva/actor-platform,dfsilva/actor-platform,ufosky-server/actor-platform,ufosky-server/actor-platform,actorapp/actor-platform,EaglesoftZJ/actor-platform,EaglesoftZJ/actor-platform,actorapp/actor-platform,actorapp/actor-platform,dfsilva/actor-platform,EaglesoftZJ/actor-platform,actorapp/actor-platform,EaglesoftZJ/actor-platform,ufosky-server/actor-platform,dfsilva/actor-platform,dfsilva/actor-platform,EaglesoftZJ/actor-platform,actorapp/actor-platform,actorapp/actor-platform,ufosky-server/actor-platform,dfsilva/actor-platform