Update readme for new way of overriding type mappings
Update readme for new way of overriding type mappings

iheartradio/play-swagger,kbedel/play-swagger,SattaiLanfear/play-swagger,SattaiLanfear/play-swagger,iheartradio/play-swagger,kbedel/play-swagger,SattaiLanfear/play-swagger,iheartradio/play-swagger,kbedel/play-swagger