SEATTLE — Unlike its thrilling 37-31 win over No. 3-ranked Texas in the College Football Playoff semifinal Jan. 1, No. 2 Washington won’t have a month to prepare for No. 1 Michigan when the teams meet in the national championship game. The Huskies get just seven days to prepare for the Wolverines in — and this is not an exaggeration — the biggest game in the 135-year history of the program. You disagree? Well, it’s the first trip to the CFP national title game for Washington, which claims championships in 1991 and 1960. It’s the fifth time two 14-0 Division I college football teams have square…