Feeling Ducky per Woody27327

Adds the DuckDuckGo search engine with the !ducky prefix for "I'm feeling lucky" style results, meaning you can use a "Keyword" to hotkey to feeling lucky searches.

This add-on is community developed and is not an official DuckDuckGo add-on.

This add-on replaces a previous version by the same name. This version uses the newer standard for Firefox search add-ons.