add an example for using UrlRequest
add an example for using UrlRequest

rnixx/kivy,inclement/kivy,LogicalDash/kivy,akshayaurora/kivy,matham/kivy,LogicalDash/kivy,rnixx/kivy,kivy/kivy,akshayaurora/kivy,inclement/kivy,inclement/kivy,matham/kivy,matham/kivy,akshayaurora/kivy,LogicalDash/kivy,kivy/kivy,matham/kivy,rnixx/kivy,kivy/kivy,LogicalDash/kivy