Alex Trebek got to spend his final hours at a favorite spot with his wife of 30 years, just as he hoped.The longtime “Jeopardy!” host who died Sunday at age 80 after battling pancreatic cancer fulfilled his wish of sitting on his beloved backyard swing with wife Jean and admiring the view, executive producer Mike Richards told the “Today Show” Monday morning.“He had a swing in his backyard that he loved. He actually rebuilt it earlier this year. He was very handy, I don’t if a lot of people know that,” Richards said.“Even in his book, he described that he wanted his final day to be sitting on …