Examine source code of VTOP Stealth

{
  "manifest_version": 3,
  "name": "VTOP Stealth",
  "version": "1.0.0",
  "description": "Hide your CGPA on VTOP homepage for privacy",
  "browser_specific_settings": {
    "gecko": {
      "id": "vtop-stealth@privacytools.com",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://vtop.vitbhopal.ac.in/*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html"
  }
}