Examine source code of Shorts Redirect Tool

{
  "manifest_version": 2,
  "name": "Shorts Redirect Tool",
  "version": "1.2",
  "description": "Automatically redirects youtube shorts links to the full video player page",
  "icons": {
    "48": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "redirect.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{11621b85-f69d-425c-9cf3-10f3556d5065}"
    }
  }
}