Gadget export
From CTLTMS
To export the veCenter gadget, click on "Download" button, save the downloaded file, go to Special:Import on destination wiki and upload it. Then add the following to MediaWiki:Gadgets-definition page:
* veCenter[ResourceLoader|default|rights=hidden|hidden|dependencies=ext.visualEditor.core]|veCenter.js
You must have appropriate permissions on destination wiki (including the right to edit system messages) and import from file uploads must be enabled.