Add code owners (#878)
Add code owners (#878)

https://help.github.com/articles/about-codeowners/
lundjordan/services,lundjordan/services,lundjordan/services,La0/mozilla-relengapi,La0/mozilla-relengapi,La0/mozilla-relengapi,La0/mozilla-relengapi,mozilla-releng/services,mozilla-releng/services,mozilla-releng/services,lundjordan/services,mozilla-releng/services