[seeds] Add attribution to all people that have worked on the trunk app.
[seeds] Add attribution to all people that have worked on the trunk app.

@floere @Manfred @orta @kylef @irrationalfab Please verify that these
are the details you would normally use to push commits to GitHub.

k0nserv/trunk.cocoapods.org,CocoaPods/trunk.cocoapods.org,Shawn-WangDapeng/trunk.cocoapods.org,k0nserv/trunk.cocoapods.org,CocoaPods/trunk.cocoapods.org,Shawn-WangDapeng/trunk.cocoapods.org,billinghamj/trunk.cocoapods.org,k0nserv/trunk.cocoapods.org,billinghamj/trunk.cocoapods.org