Examine source code of SRM Margin Check

{
  "manifest_version": 3,
  "name": "SRM Margin Check",
  "version": "1.0.2",
  "description": "margin check in attendance and total marks for SRM University students no extra login needed just install the extension and open the SRM portal",
  "content_scripts": [
    {
      "matches": [
        "https://sp.srmist.edu.in/*",
        "https://academia.srmist.edu.in/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "assets/logo-128.jpg"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "srm-margin-check@lactose.online",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}