Gadget export
To export the refToolbar gadget, click on "ನಕಲಿಳಿಸಿ" 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:
* refToolbar[ResourceLoader|dependencies=user.options,mediawiki.util]|refToolbar.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.