Examine source code of Lucky-Wiki

{
  "manifest_version": 2,
  "name": "Feeling-Lucky-Wiki",
  "version": "1.1",
  "description": "This extension enhances your browsing experience by detecting search queries that contain the standalone word 'wiki' and automatically redirecting through a 'Feeling Lucky' search function.",
  "homepage_url": "https://github.com/adelmonte/feeling-lucky-wiki",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    },
    "default_title": "Feeling-Lucky-Wiki",
    "default_popup": "html/default/default.html"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/*",
        "*://*.bing.com/*",
        "*://*.duckduckgo.com/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6d937e5c-de6f-44b7-91a3-04ba2220a004}"
    }
  }
}