Examine source code of Shorts Pause

{
  "manifest_version": 3,
  "name": "Shorts Pause",
  "version": "1.0",
  "description": "Adds a 15-second mindfulness pause before YouTube Shorts play OR you can solve a simple math equation.",
  "permissions": [
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "overlay.css"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "shorts-pause@aowa.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}