Examine source code of Nameless Live

{
  "manifest_version": 2,
  "name": "Nameless Live",
  "version": "1.0.2",
  "description": "Permet de savoir si Nameless est en Live",
  "icons": {
    "16": "nameless-16.png",
    "128": "nameless-128.png"
  },
  "browser_action": {
    "default_icon": "nameless-19.png",
    "default_title": "Nameless Live"
  },
  "permissions": [
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}