Sixty years after “Star Trek” first debuted, Paramount+ ’s “ Star Trek: Starfleet Academy ” is presenting the beloved franchise to a new generation, while paying homage to its legacy and millions of Trekkies old and new. Creator Gaia Violo is introducing a new set of characters trying to orient themselves, and find their way in a world still reeling from the horrors and mishaps of the past. Joyous, earnest and fun, the YA-centered series is a delightful entry point for both “Star Trek” fans