{
 "id":"./", "name":"MERO POS Android", "short_name":"MERO POS", "lang":"vi",
 "start_url":"./index.html", "scope":"./", "display":"standalone",
 "background_color":"#f5f7f5", "theme_color":"#176345",
 "icons":[{"src":"./icon-192.png","sizes":"192x192","type":"image/png","purpose":"any"},{"src":"./icon-512.png","sizes":"512x512","type":"image/png","purpose":"any maskable"}]
}