Examine source code of CuLipSum

{
  "manifest_version": 2,
  "name": "CuLipSum",
  "version": "1.0.3",
  "description": "Custom Lorem Ipsum Generator",
  "icons": {
    "48": "icons/icon_typewriter_48.png",
    "96": "icons/icon_typewriter_96.png"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "options_ui": {
    "page": "popup/options_popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/icon_typewriter_32.png",
    "default_title": "CuLipSum",
    "default_popup": "options_popup/options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@kinkycraft.com"
    }
  }
}