Examine source code of ConnecTEA

{
  "name": "connectea",
  "description": "Gets the tea from charts on the site",
  "version": "0.0.4",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "connectea@yourdomain.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_icon": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://connect.det.wa.edu.au/group/students/ui/my-settings/assessment-outlines*"
      ],
      "js": [
        "thing.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    }
  ]
}