{
  "name": "Excalibur Inbox",
  "short_name": "Excalibur",
  "start_url": "/app",
  "display": "standalone",
  "background_color": "#f3f7f4",
  "theme_color": "#063a2e",
  "icons": [{"src": "/excalibur/logo.png", "sizes": "640x640", "type": "image/png"}]
}