Examine source code of family fox

{
  "name": "family fox",
  "manifest_version": 2,
  "description": "familly fox",
  "version": "2resigned1",
  "author": "Christophe Villeneuve",
  "icons": {
    "48": "icons/screen-48.png",
    "96": "icons/screen-96.png",
    "128": "icons/screen-128.png"
  },
  "background": {
    "scripts": [
      "background/header.js"
    ]
  },
  "web_accessible_resources": [
    "resources/*"
  ],
  "permissions": [
    "theme"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6cc66c3b-1e14-4324-b406-5bc044ea8021}"
    }
  }
}