{"name":"Chat App","short_name":"Chat","description":"A real-time chat application","start_url":"/","display":"standalone","background_color":"#f3f4f6","theme_color":"#3b82f6","lang":"en","scope":"/","icons":[{"src":"pwa-192x192.png","sizes":"192x192","type":"image/png"},{"src":"pwa-512x512.png","sizes":"512x512","type":"image/png"},{"src":"pwa-512x512.png","sizes":"512x512","type":"image/png","purpose":"any maskable"}]}