Examine source code of shortskiller

{
  "name": "shortsKiller",
  "version": "1.0.8",
  "description": "📺🧩 shortsKiller remove shorts from YouTube. 🐦🌈",
  "manifest_version": 2,
  "icons": {
    "96": "icon-96.12481c79.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/",
        "https://www.youtube.com/*"
      ],
      "css": [
        "content.5da5e3a3.css"
      ],
      "js": [
        "content.0b64b1b2.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5620af48-521a-4fbd-a153-26f3a7dfb613}"
    }
  }
}