Add Live TV Source 3rd Party Apps

In the UK we have a limited number of free to air channels in HD, however, TV providers do provide HD streams in their respective apps eg. BBC, ITVX, All4, Now TV.

The feature I would like is to add the deep link/strmlnk to the live channel as a source so to appear in the guide, but when the channel is selected it opens the strmlnk to the relevant app instead.

See Experimental: Stream Links from the Guide via Custom Channels