Examine source code of Fing Network Tools

{
  "manifest_version": 2,
  "name": "Fing Network Tools",
  "version": "1.0",
  "description": "A simple network tool interface inspired by Fing.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Fing Network Tools"
  },
  "permissions": [
    "tabs",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{96baf916-75c1-4a8f-9c23-e238d70cd9c7}"
    }
  }
}