SAN DIEGO — It was a big week for women’s soccer in the United States. An “equal pay” contract announced Wednesday, long sought, ensures much better pay for the U.S. women’s team. “It’s game-changing,” said national-team player Abby Dahlkemper of the new San Diego Wave (3-1), whose season resumes Sunday in North Carolina. Praise goes to national players such as Dahlkemper, Wave teammate Alex Morgan and many who played before them. Soccer excellence against other countries fueled the club’s soaring popularity and, in turn, empowered negotiators to get women’s pay aligned with that of the U.S. m…