Add a GitHub link

_config.yml

@@ -28,6 +28,7 @@ title: Interview Questions for Computer Science Faculty Jobs  # Appears in the w
 #    | It appears on the main navigation bar. You can use <span></span> to nicely fade out some part of it
 maintitle: Interview Questions <span>for Computer Science Faculty Jobs</span>
 
+
 # Enter below a short description that will sit next to your head title. (keep it short)
 #    | {optional}
 maindesc: maintained by <a href="https://www.manuelrigger.at/">Manuel Rigger</a>
@@ -49,4 +50,4 @@ menus:
 # Enter an invitation message
 #    | It lies right beneath every post to invite your readers to react and comment
 #    | {optional}
-invitationmsg: Please reach out to <a href=mailto:[email protected]>[email protected]</a> for any feedback.
+invitationmsg: Please reach out to <a href=mailto:[email protected]>[email protected]</a> for any feedback or contribute on <a href="https://github.com/csfaculty/csfaculty.github.io">GitHub</a>.