{
"name": "Katja",
"short_name": "Katja",
"start_url": "/",
"scope": "/",
"display": "fullscreen",
"theme_color": "#c89d52",
"background_color": "#c89d52",
"file_handlers": [{ 
  "action": "/",
  "accept": {
    "image/png": [".png"]
  }
}]
}