minor update readme. added link to contributors.

README.md

@@ -11,7 +11,7 @@ http://ergoemacs.org/misc/ergoemacs_vi_mode.html
 2020-04-18 News: Key Engine Rewrite
 ===================
 
-Major key engine rewrite by Dan Langlois and Will Dey. Much doc update will happen in next few days, on how to customize and how the new code works, at xah fly keys home page http://ergoemacs.org/misc/ergoemacs_vi_mode.html
+Major key engine rewrite by [Dan Langlois] (https://github.com/DanLanglois) and [Will Dey] (https://github.com/wi11dey) . Much doc update will happen in next few days, on how to customize and how the new code works, at xah fly keys home page http://ergoemacs.org/misc/ergoemacs_vi_mode.html
 
 The old stable version is still available as xah-fly-keys_old_2020-04-18.el