Gadget export
From WikiMSK
To export the extra-hooks 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:
* extra-hooks[ResourceLoader|default|hidden]|extra-hooks.js
You must have appropriate permissions on destination wiki (including the right to edit system messages) and import from file uploads must be enabled.
