Examine source code of Paperboy for HN

{
  "manifest_version": 2,
  "name": "Paperboy for HN",
  "version": "1.0.1",
  "description": "Shows replies to your HN posts and comments",
  "background": {
    "scripts": [
      "/js/common.js",
      "/js/background.js"
    ]
  },
  "icons": {
    "96": "/assets/icon.png"
  },
  "browser_action": {
    "default_icon": {
      "96": "/assets/icon-action.png"
    },
    "default_title": "Paperboy",
    "default_popup": "/popup/popup.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "paperboy@mateoeh.com"
    }
  }
}