T144542: Enable config deploys for service::node services creates the ability for service owners to keep their configuration in the deploy repository and thus have full control over it. We should implement this for MCS.
Related Gerrit Patches:
|operations/puppet : production||MobileApps: Switch to Scap3 config deploys|
|mediawiki/services/mobileapps/deploy : master||Config deploys: Add the config file Scap3 definition|
|mediawiki/services/mobileapps/deploy : master||Switch to Scap3 config deploys|