Examine source code of Project Insight

{
  "name": "Project Insight",
  "author": "Terry",
  "version": "0.2.7",
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "16": "icon_16.png",
    "24": "icon_24.png",
    "38": "icon_38.png",
    "48": "icon_48.png",
    "96": "icon_96.png"
  },
  "permissions": [
    "management"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": {
      "16": "icon_16.png",
      "24": "icon_24.png",
      "38": "icon_38.png",
      "48": "icon_48.png"
    }
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "details.html"
  }
}