README.md: make backers visible on the top of the page, replaced the prev api to the https://iris-go.com/backers.svg in order this to happens

Former-commit-id: 093f11d05fe9556c79de2cb2886e5d0569f27336

_examples/routing/reverse/main.go

@@ -32,6 +32,9 @@ func main() {
 	// http://localhost:8080/reverse_myroute
 	// http://localhost:8080/execute_myroute
 	// http://localhost:8080/anything/any/path/here
+	//
+	// See view/template_html_4 example for more reverse routing examples
+	// using the reverse router component and the {{url}} and {{urlpath}} template functions.
 	app.Run(iris.Addr(":8080"))
 
-} // See view/template_html_4 example for more.
+}