Examine source code of BuyCheaper Product Tracker

{
  "manifest_version": 2,
  "name": "PriceHawk",
  "version": "1.6",
  "description": "Track product prices across any website and get notified when they drop",
  "permissions": [
    "activeTab",
    "storage",
    "cookies",
    "tabs",
    "alarms",
    "notifications",
    "https://buycheaper-app.vercel.app/*",
    "https://*.vercel.app/*",
    "https://buycheaperapi.moeed.dev/*",
    "https://securetoken.googleapis.com/*",
    "https://identitytoolkit.googleapis.com/*",
    "https://*/*",
    "http://*/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "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"
  },
  "content_scripts": [
    {
      "matches": [
        "https://buycheaper-app.vercel.app/*",
        "https://*.vercel.app/*",
        "https://buycheaperapi.moeed.dev/*",
        "https://buycheaper.moeed.dev/*",
        "https://*.moeed.dev/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "tokenUtils.js",
      "background.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "icons/*.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d1466e4b-d6e4-4578-a071-6bb52fa4641b}"
    }
  }
}