Changes

<ol><li> [[mw:Composer]] is used in the MediaWiki engine to manage all core libraries and dependencies since version 1.25(including composer-local.json)<source lang="bash">cd $IPcp composer.local.json-sample composer.local.jsoncomposer update --no-dev --dry-run</source><li> [[mw:Composer/For extensions]] on using Composer to manage extensions<li> [[mw:Manual:composer.json best practices]] for how to add Composer support to your extensions (including extension.json and skin.json)</ol>