Head over to the <a href="https://developer.mozilla.org/Add-ons">Mozilla Developer Network</a> to learn everything you need to know to get started.
Dźiće k <a href="https://developer.mozilla.org/Add-ons">Mozilla Developer Network</a> (wuwiwarska syć Mozilla), zo byšće wšo zhonił, štož dyrbiće wědźeć, zo byšće započał.