doc: add Gibson Fahnestock to members

PR-URL: #524
Closes: #470
Fixes: #514
Reviewed-By: Michael Dawson <mhdawson@ca.ibm.com>
Reviewed-By: Hans Kristian Flaatten <hans.kristian.flaatten@dnt.no>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: João Reis <reis@janeasystems.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Phillip Johnsen <johphi@gmail.com>
Reviewed-By: Gibson Fahnestock <gib@uk.ibm.com>

README.md

@@ -26,6 +26,7 @@ missing please open an issue.
 ## People
 
 - Wyatt Preul [@geek](https://github.com/geek)
+- Gibson Fahnestock [@gibfahn](https://github.com/gibfahn)
 - Johan Bergström [@jbergstroem](https://github.com/jbergstroem)
 - João Reis [@joaocgreis](https://github.com/joaocgreis)
 - Michael Dawson [@mhdawson](https://github.com/mhdawson)