{"name":"chigrid — Chicago grid coordinates","short_name":"chigrid","description":"address → Chicago grid (State & Madison). Works on diagonal streets; fully offline once the city is warmed.","start_url":"/","display":"standalone","background_color":"#111318","theme_color":"#111318","lang":"en","scope":"/","icons":[{"src":"icons/icon-192.png","sizes":"192x192","type":"image/png"},{"src":"icons/icon-512.png","sizes":"512x512","type":"image/png"},{"src":"icons/maskable-512.png","sizes":"512x512","type":"image/png","purpose":"maskable"}]}