Examine source code of BetterGoogleMeet

{
  "manifest_version": 2,
  "name": "BetterGoogleMeet",
  "description": "Get rid of Google Meet's annoying \"You can't create a meeting yourself\" screen.",
  "version": "1.0",
  "content_scripts": [
    {
      "matches": [
        "*://meet.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}