Examine source code of Cometin Desktop

{
  "name": "Cometin Desktop",
  "version": "1.0.1.2",
  "description": "The official Cometin Desktop extension that allows your PC to retrieve information from Cometin Cloud.",
  "icons": {
    "16": "images/16.png",
    "48": "images/48.png",
    "128": "images/128.png"
  },
  "browser_action": {
    "default_icon": "images/48.png"
  },
  "permissions": [
    "notifications",
    "storage",
    "clipboardWrite"
  ],
  "background": {
    "persistent": true,
    "page": "background.html"
  },
  "applications": {
    "gecko": {
      "id": "{cf6a0165-b96f-43e6-a7b2-57ec2e6968ae}"
    }
  },
  "options_ui": {
    "page": "dashboard/dashboard.html",
    "browser_style": false
  },
  "manifest_version": 2,
  "web_accessible_resources": [
    "images/48.png"
  ]
}