Examine source code of Yt Ad Skipper

{
  "manifest_version": 3,
  "name": "Yt Ad Skipper",
  "version": "0.1.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "ytadskipper@ysj.works"
    }
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "*://www.youtube.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "default_locale": "en",
  "description": "__MSG_manifestDescription__",
  "developer": {
    "name": "_y_s",
    "url": "https://github.com/ys-j/YtAdSkipper"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  }
}