* show for unknown
* use Button to make clicking work
* close on pair
* close on pair
* make widget!
* dynamic pairing btn
* whyyy
* clean up
* can do this
* this button is also hard to tap
* add new main UI entry point
* cleanup
* mv to selfdrive/ui
* fix imports
* handle_mouse_click
* use ui_state
* remove ui_state from gui_app
* setup callbacks
* handle clicks
* put layouts in a dict
* update state in render
* rebase master
* implement settings sidebar
* rename files