Examine source code of YouTube De-Crapifier

{
  "manifest_version": 2,
  "name": "YouTube De-Crapifier",
  "version": "1.0",
  "description": "Hides shorts and banners on the homepage, changes homepage back to six videos per row, removes tracker URLs, prevents automatic mixes, and more.",
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_title": "YouTube De-Crapifier"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a6a643ac-0e83-40bd-be53-05ba88f464f8}"
    }
  }
}