Gadget export

To export the Twinkle 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:

* Twinkle[ResourceLoader|dependencies=ext.gadget.morebits,ext.gadget.select2,mediawiki.api,mediawiki.language|rights=autoconfirmed|type=general|peers=Twinkle-pagestyles|requiresES6]|Twinkle.js|Twinkle.css|twinklearv.js|twinklewarn.js|twinkleblock.js|friendlywelcome.js|friendlyshared.js|friendlytalkback.js|twinklespeedy.js|twinkleprod.js|twinklexfd.js|twinkleimage.js|twinkleprotect.js|friendlytag.js|twinklediff.js|twinkleunlink.js|twinklefluff.js|twinkledeprod.js|twinklebatchdelete.js|twinklebatchprotect.js|twinklebatchundelete.js|twinkleconfig.js

You must have appropriate permissions on destination wiki (including the right to edit system messages) and import from file uploads must be enabled.