update readme with more links.
update readme with more links.

andybarry/flight,peteflorence/flight,peteflorence/flight,peteflorence/flight,peteflorence/flight,peteflorence/flight,andybarry/flight,andybarry/flight,andybarry/flight,andybarry/flight,peteflorence/flight,peteflorence/flight,andybarry/flight,peteflorence/flight,andybarry/flight,andybarry/flight,andybarry/flight,peteflorence/flight,peteflorence/flight,andybarry/flight