Examine source code of editGPT

{
  "manifest_version": 2,
  "name": "editGPT",
  "version": "1.0.31",
  "description": "Easily proofread, edit, and track changes to your content in ChatGPT.",
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chatgpt.com/*"
      ],
      "js": [
        "diffwrapper.js",
        "inject.js"
      ],
      "css": [
        "css/inject.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8f6943bd-b9fa-4c13-855c-d1423f8bc0f3}"
    }
  }
}