Examine source code of Students Study Timer

{
  "manifest_version": 3,
  "name": "Students Study Timer",
  "version": "1.0",
  "description": "A simple Pomodoro study timer for students.",
  "browser_specific_settings": {
    "gecko": {
      "id": "students-study-timer@local.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "edge_specific_settings": {
    "data_collection_permissions": {
      "is_data_collected": false
    }
  },
  "action": {
    "default_popup": "popup.html"
  }
}