doc(intro): added nb-NO and nn-NO as supported languages
doc(intro): added nb-NO and nn-NO as supported languages

milunka/validation,ericIMT/validation,Bcpoole/validation,vulvulune/validation,JeroenVinke/validation,RichTeaTime/validation,mbroadst/validation,RichTeaTime/validation,ericIMT/validation,PWKad/validation,hitesh97/validation,JeroenVinke/validation,aurelia/validation,DaveGee/validation,manuel-guilbault/aurelia-validation,aurelia/validation,mbroadst/validation,Zensavona/validation,charlespockert/validation,manuel-guilbault/aurelia-validation,milunka/validation,PWKad/validation,DaveGee/validation,vulvulune/validation,Bcpoole/validation,jdanyow/validation