Examine source code of Stylish Bot

{
  "manifest_version": 2,
  "name": "Stylebot",
  "version": "3.1.3",
  "author": "Ankit Ahuja",
  "description": "__MSG_extension_description__",
  "default_locale": "en",
  "background": {
    "scripts": [
      "background/index.js"
    ]
  },
  "options_ui": {
    "page": "options/index.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "js": [
        "editor/index.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://*/*.xml"
      ],
      "run_at": "document_idle"
    },
    {
      "all_frames": true,
      "js": [
        "inject-css/index.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://*/*.xml"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "img/icon16.png",
      "24": "img/icon24.png",
      "32": "img/icon32.png"
    },
    "default_title": "Stylebot",
    "default_popup": "popup/index.html"
  },
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "identity",
    "contextMenus",
    "unlimitedStorage",
    "https://drive.google.com/*",
    "https://www.googleapis.com/*",
    "https://fonts.googleapis.com/*"
  ],
  "web_accessible_resources": [
    "editor/index.css",
    "readability/index.css",
    "monaco-editor/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0e0072b0-5032-4407-9c3b-1f9a2df1c9ff}"
    }
  }
}