SERIES PREMIERE: It seems weird to say this, without any irony, but Santa Clarita Diet, which is unveiled today with its entire 10-episode first season available on Netflix, establishes itself instantly as one of the three best zombie shows on television right now. Or, to be even more specific, one of the two best zombie comedies. The zombie drama that’s part of the big three best undead series, is, of course, The Walking Dead. The other entertaining show, a zombie comedy-drama, is CW&rsqu