{
    "name": "",
    "short_name": "",
    "theme_color": "#00796b",
    "background_color": "#00796b",
    "display": "standalone",
    "start_url": "/",    
    "gcm_sender_id": "482941778795",
    "gcm_sender_id_comment": "Do not change Giga Portal ID",
    "icons": [
            {
        "src": "icons/icon-512x512.png",
        "sizes": "512x512",
        "type": "image/png"
      }
    ]
  }