One local industry is booming: moving companies, because so many New Yorkers are fleeing the city for the ’burbs in the wake of the pandemic, the spike in violent crime and the general rise in disorder. And Mayor Bill de Blasio’s answer is to cheer. Perry Chance of Show Up movers told The Post his “volume has increased by at least 70 percent” in the past few months. “[People] say the rich are leaving New York. Well, they are!” July saw a 44 percent rise in home sales in area suburbs — with an astounding 112 percent hike in Westchester...