preact-iso v0.3.0

• Include preact-iso in the WMR repo and correct code samples (#217 #218 #219, thanks @JoviDeCroock & @EmilTholin)
• Add useLocation() alias for useLoc() (#274, thanks @rschristian)
• Make promises thrown by lazy() resolve to components (#281, thanks @developit)
• Add types (#248, thanks @rschristian)