examples: replace all app.Run(iris.Addr(...)) with app.Listen just for the shake of simplicity, both are doing the same exact thing as it's described on the http listening first example.

Former-commit-id: d20afb2e899aee658a8e0ed1693357798df93462

_examples/desktop-app/blink/main.go

@@ -23,7 +23,7 @@ func runServer() {
 	app.Get("/", func(ctx iris.Context) {
 		ctx.HTML("<h1> Hello Desktop</h1>")
 	})
-	app.Run(iris.Addr(addr))
+	app.Listen(addr)
 }
 
 func showAndWaitWindow() {