Examine source code of YouTube Moments

{
  "manifest_version": 3,
  "name": "YouTube Moments",
  "version": "1.0.0",
  "author": "Aaditya Joshi",
  "description": "Save exact moments (timestamps) from YouTube videos and revisit them later.",
  "browser_specific_settings": {
    "gecko": {
      "id": "youtube-moments@local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_title": "YouTube Moments",
    "default_icon": {
      "48": "icons/icon.svg",
      "96": "icons/icon.svg"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "src/content.css"
      ],
      "run_at": "document_idle"
    }
  ]
}