{ 

  "name": "Solar status", 

  "short_name": "Solar", 

  "start_url": "http://194.135.83.219:3400/", 

  "display": "standalone", 

  "icons": [{ 

    "src": "logo.png", 

    "sizes": "512x512", 

    "type": "image/png" 

  }] 

}