Examine source code of Raterhub Time Tracker

{
  "manifest_version": 3,
  "name": "Raterhub Time Tracker",
  "version": "1.2.4",
  "description": "Enhance RH workflow",
  "browser_specific_settings": {
    "gecko": {
      "id": "raterhub-time-tracker-mateus@rh-tracker.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://*.raterhub.com/evaluation/*",
    "https://api.telegram.org/*"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.raterhub.com/evaluation/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "sound1.mp3",
        "sound2.mp3",
        "sound3.mp3"
      ],
      "matches": [
        "https://*.raterhub.com/*"
      ]
    }
  ]
}