{ "name":"lettr","short_name":"ltr", "icons":[ {"src":"/static/assets/favicon/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/static/assets/favicon/android-chrome-512x512.png","sizes":"512x512","type":"image/png"} ], "theme_color":"#ffffff","background_color":"#ffffff","display":"standalone" }