There’s so much content on TV right now, it’s hard to know what’s what, but if you’re looking for a Boston crime show, Showtime’s “City On A Hill” is a pretty solidly acclaimed, meat and potatoes crime thriller that checks off a lot of boxes. Plus, it features a lot of great actors, including its leads Emmy nominee Kevin Bacon and Screen Actors Guild award winner Aldis Hodge whose career is really taking off of late.