Examine source code of Super Twitter Auto Reresh

{
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "jquery.js",
        "page.js"
      ],
      "matches": [
        "https://twitter.com/*",
        "http://twitter.com/*"
      ]
    }
  ],
  "default_locale": "en",
  "description": "__MSG_description__",
  "icons": {
    "16": "logo.png",
    "48": "logo.png",
    "128": "logo.png"
  },
  "manifest_version": 2,
  "name": "__MSG_name__",
  "version": "2.0.6resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "@autorefreshfortwitter"
    }
  }
}