docs(timepicker): add note about updating model
docs(timepicker): add note about updating model

- Add note on updating the model value programmatically

Closes #5144
Closes #5278

caoruiy/bootstrap,benhalverson/bootstrap,burlhock/bootstrap,fpipita/bootstrap,Kpler/bootstrap,Kpler/bootstrap,burlhock/bootstrap,RobJacobs/bootstrap,caoruiy/bootstrap,vfiles/bootstrap,fpipita/bootstrap,Servoy/bootstrap,Foxandxss/bootstrap,icfantv/bootstrap,shootermv/bootstrap,vfiles/bootstrap,RobJacobs/bootstrap,icfantv/bootstrap,Servoy/bootstrap,Foxandxss/bootstrap,mabi/bootstrap,christor/bootstrap,christor/bootstrap,byronigoe/bootstrap,angular-ui/bootstrap,benhalverson/bootstrap,wesleycho/bootstrap,byronigoe/bootstrap,benhalverson/bootstrap,292388900/bootstrap,wesleycho/bootstrap,benhalverson/bootstrap,BookingBug/bootstrap,infowrap/bootstrap,looker/bootstrap,angular-ui/bootstrap,looker/bootstrap,BookingBug/bootstrap,mabi/bootstrap,292388900/bootstrap,infowrap/bootstrap,shootermv/bootstrap