Hmm. So https://github.com/wikimedia/mediawiki-extensions-Dashiki displays that there's already an extension.json file which is not at rEAND. Special:Version link on Meta-Wiki for Dashiki links to a somewhat 404 page. What is the correct repo, then? Thanks.
@MarcoAurelio: rANAD is not an extension, it's only related to mediawiki-Dashiki by the word "Dashiki". Which, in this context, means "dashboards on wikis". It's a system that allows people to build dashboards by writing a wiki page as a configuration. For example, this dashboard:
Is configured by this page:
We understand this is a bit confusing, but hopefully this clears it up and we welcome help explaining this on either the extension help page: https://www.mediawiki.org/wiki/Extension:Dashiki or on the page where the system is described: https://wikitech.wikimedia.org/wiki/Analytics/Systems/Dashiki