(Bloomberg) — Apple Inc. is preparing to allow third-party developers to write software using its artificial intelligence models, aiming to spur the creation of new applications and make its devices more enticing. Most Read from BloombergAmerica, ‘Nation of Porches’NJ Transit Train Engineers Strike, Disrupting Travel to NYCNJ Transit Makes Deal With Engineers, Ending Three-Day StrikeCan Frank Gehry’s ‘Grand LA’ Make Downtown Feel Like a Neighborhood?The iPhone maker is working on a software dev