Hi, and thank you for your interest!
yast-qt is being translated using Weblate, a web tool designed to ease translating for both developers and translators.
Translation project for yast-qt into Norwegian Nynorsk currently contains 23 strings for translation and is 73.9% complete.
If you would like to contribute to translation of yast-qt, you need to register on this server.
Once you have activated your account just proceed to the translation section.