Added shell of an event listener for when app is re-opened after running in the backgroud.
Added shell of an event listener for when app is re-opened after running in the backgroud.

Nezteb/aurora,UAFCS600/aurora,UAFCS600/aurora,Nezteb/aurora,Nezteb/aurora,Nezteb/aurora,UAFCS600/aurora,UAFCS600/aurora,UAFCS600/aurora