Examine source code of YouTube Short Redirect

{
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "shortskip.js"
      ],
      "run_at": "document_start"
    }
  ],
  "name": "YouTube-Shorts-Skipper",
  "version": "1.2.0",
  "description": "Redirect all YouTube shorts to the normal video format.",
  "manifest_version": 2,
  "icons": {
    "16": "assets/images/icon16.png",
    "32": "assets/images/icon32.png",
    "48": "assets/images/icon48.png",
    "128": "assets/images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3ddb5d4b-62bc-4b24-a95e-08ba060c307e}"
    }
  }
}