By Peter PARKS / AFP Hong Konger Kitty Chan pivoted to takeout to help her restaurant survive the pandemic, but she has since opened a second shop as demand for cheap mealboxes surges in a city enduring economic woes. Hong Konger Kitty Chan pivoted to takeout to help her restaurant survive the pandemic, but she has since opened a second shop as demand for cheap mealboxes surges in a city enduring economic woes. Small shops selling inexpensive two-dish mealboxes have mushroomed across one of the world’s least affordable cities, cropping up in working-class and white-collar areas alike as people…