Examine source code of Ogame UI improved

{
  "name": "Ogame UI improved",
  "author": "Arwinus",
  "version": "2.0.6resigned1",
  "manifest_version": 2,
  "description": "",
  "web_accessible_resources": [
    "lib/*",
    "img/*"
  ],
  "content_scripts": [
    {
      "css": [
        "style.css"
      ],
      "js": [
        "lib/tools.js",
        "lib/defence.js",
        "lib/planets.js",
        "lib/fleet.js",
        "lib/get-data.js",
        "lib/show-data.js",
        "main.js"
      ],
      "matches": [
        "http://*.ogame.gameforge.com/game/*",
        "https://*.ogame.gameforge.com/game/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_title": "Ogame"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9e639370-0289-47d0-aa11-2b97b8dfc5a7}"
    }
  }
}