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