With YouTubers making the jump to Hollywood, M. Night Shyamalan is heading in the opposite direction.The filmmaker behind The Sixth Sense, Unbreakable, Split, and Signs has launched his own YouTube channel, giving fans a more personal look at his filmmaking career, memories, and whatever else he decides to share along the way.For a director who has spent more than 30 years making studio movies, the whole thing is pretty casual. His first upload …