Here's a bit of good news for TV watchers everywhere: As first reported by Mac Rumors, Apple has just added four new channels to the Apple TV's offerings.In certain markets, Apple TV owners can now use their set-top boxes to watch content from their local ABC affiliate--provided that the functionality is enabled for their specific geographical location. Financial channel Bloomberg TV, Korean network KOR TV, and on-demand provider Crackle also made their first appearance in the lineup on Wednesday.The folks from Cupertino have been aggressively adding content to the Apple TV lately; the new channels join a number of other entertainment options that have been added over the last year, inclu