Examine source code of Strip ChatGPT utm_source

{
  "manifest_version": 3,
  "name": "Strip ChatGPT utm_source",
  "version": "1.0.0",
  "description": "Removes ?utm_source=chatgpt.com from links on chatgpt.com.",
  "icons": {
    "1024": "icons/1024x1024.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "strip-chatgpt-utm@kdheepak.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://chatgpt.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}