Examine source code of SiteSearch

{
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "developer": {
    "name": "Janghou"
  },
  "manifest_version": 2,
  "version": "0.50",
  "default_locale": "en",
  "icons": {
    "32": "icon.svg",
    "48": "icon.svg",
    "64": "icon.svg",
    "96": "icon.svg"
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icon.svg",
      "32": "icon.svg"
    },
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "113.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{4f34e578-3ab9-4138-bfde-b7c5a116d822}"
    },
    "gecko_android": {}
  }
}