Teams auto-join

manifest.json

{
  "manifest_version": 3,
  "name": "Teams auto-join",
  "version": "0.0.1",
  "content_scripts": [
    {
      "matches": [
        "*://teams.microsoft.com/dl/launcher/*"
      ],
      "js": [
        "content-script.ad3d5bce.js"
      ],
      "run_at": "document_end",
      "css": []
    }
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}