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.
Ddu ar <a href="https://developer.mozilla.org/Add-ons">Uẓuṭṭa n ineflyane n Mozilla (MDN)</a> akken ad tissineḍ akk ayen ilaqen akken ad tebduḍ.