Chore: Evaluate lib/rocketchat structure and files (#3986)

* create TSubscription type

* move logoutOtherLocations to restApis

* mvoe getUserInfo to restApi

* move constants to lib folder

* change Rocketchat methods to sdk methods

* move toggleFavorite to restApis

* move functions to rocketchat folder

* delete old rocketchat file :)

* fix imports

* fix lint and return types

* Fix subscribe to rooms not getting called

Co-authored-by: Diego Mello <diegolmello@gmail.com>