Examine source code of MouseVaderV2

{
  "manifest_version": 2,
  "name": "MouseVaderV2",
  "version": "2.0",
  "description": "A tool that misleads DD dashboard inactivity detection",
  "developer": {
    "name": "Martin Löper",
    "url": "https://github.com/nesto-software/MouseVaderV2"
  },
  "content_scripts": [
    {
      "matches": [
        "https://p.datadoghq.eu/*"
      ],
      "js": [
        "mousevader.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{28b96d01-2454-40c9-be79-7976882e259d}"
    }
  }
}