Formatting fixes in the placeholder README.
Formatting fixes in the placeholder README.

UIKit0/ui,ProtonMail/ui,HunterChen/ui,hajimehoshi/ui,HunterChen/ui,mirrr/ui,robbiev/ui,hajimehoshi/ui,hajimehoshi/ui,ProtonMail/ui,cainiaocome/ui,HunterChen/ui,robbiev/ui,mirrr/ui,cainiaocome/ui,janstk/ui,ProtonMail/ui,robbiev/ui,UIKit0/ui,beni55/ui,292388900/ui,beni55/ui,janstk/ui,UIKit0/ui,janstk/ui,beni55/ui,cainiaocome/ui,292388900/ui,292388900/ui,mirrr/ui