Examine source code of Job navigator

{
  "manifest_version": 2,
  "name": "Job Finder",
  "version": "1.0",
  "description": "Search for jobs across your favorite Job Portals with ease!",
  "permissions": [
    "activeTab",
    "storage",
    "https://www.linkedin.com/*",
    "https://www.seek.com.au/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "icons/icon128.png",
    "popup.html"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c9076d59-a9e5-4b2e-ad65-fc6b2802e371}"
    }
  }
}