LONDON — ONdigital is adding two new channels from Discovery Networks Europe to its lineup — Discovery Kids and Discovery Wings.The channels will launch on the digital pay TV platform Feb. 1. ONdigital has been seeking high-profile brands to add value to its basic channel package. Rival SkyDigital, satcaster BSkyB’s platform, has had exclusive deals with several brand channels, including Discovery. Discovery Kids will air from 6 a.m. to 6 p.m. Discovery Wings, focusing on subjects such as space and aviation, will take the 6 p.m. to midnight slot.