Examine source code of Shorts Limiter

{
  "manifest_version": 3,
  "name": "YouTube Shorts Limiter",
  "version": "1.1.0",
  "description": "Limits YouTube Shorts viewing to 5 videos per day",
  "default_locale": "en",
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "96": "images/icon-96.png",
    "128": "images/icon-128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "alarms"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "YouTube Shorts Limiter"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "shorts-limiter@asfhtgk.david.github.com",
      "strict_min_version": "109.0"
    }
  }
}