Gadget export
From Destinypedia, the Destiny wiki
To export the TabOverride 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:
* TabOverride[ResourceLoader|targets=desktop,mobile|actions=edit]|TabOverride.js
You must have appropriate permissions on destination wiki (including the right to edit system messages) and import from file uploads must be enabled.