The Village of Arroyo Grande is transforming for the citys annual harvest festival.Carrie Rosewall-Gallagher has been coming to the Arroyo Grande Harvest Festival since her children, now grown, were little.I love this community, and one of the most important things about Arroyo Grande is the community," Rosewall-Gallagher said. "It is the people. They come out for every event.The harvest festival has been an Arroyo Grande tradition since 1937. T…