We need repositories on Phabricator to allow code review workflow.
[*] Add two new repositories for the two custom MediaWiki extensions we have.
[*] Create a machine account @Hao-Yenkorov using K2 as GitHub credentials and K3 as SSH key.
[*] Import repositories in Diffusion: rAPI, rKIBA, rMWEWM, rMWECXIII, rCMPXIII