Examine source code of ShortsRedirecter

{
  "manifest_version": 2,
  "name": "ShortsRedirecter",
  "version": "1.0",
  "description": "Removes shorts suggestions shelf on Youtube",
  "icons": {},
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "redirect.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f2d26df3-8769-4e4a-abc5-f695675da936}"
    }
  }
}