Examine source code of TubeSkipper

{
  "manifest_version": 3,
  "name": "TubeSkipper",
  "version": "1.0",
  "description": "Instantly skip YouTube ads. A lightweight, automatic ad-skipper for a seamless viewing experience.",
  "browser_specific_settings": {
    "gecko": {
      "id": "tubeskipper@webdunesurfer.github.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://www.youtube.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg",
    "128": "icons/icon.svg"
  }
}