MainContextis created by default into the file
MainContextcan handle the following scenarios with the declaration of 3 action blocks:
"See Featured Products"(payload:
"products/featured") that has been sent as reply in the block
routeargument, and this context will remain active until the context changes again or
exit_context()method were called.
true, it will not execute the everything_else block, if it exists in the delegate context. By default