Examine source code of Clickable Channels for YouTube

{
  "manifest_version": 3,
  "name": "Clickable Channels for YouTube",
  "short_name": "Clickable Channels",
  "description": "Makes channel names clickable on YouTube video lists, playlists, and optional live stream chat.",
  "version": "1.3.4",
  "author": "Clickable Channels for YouTube",
  "homepage_url": "https://github.com/your-org/clickable-channels-for-youtube",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "clickable-channels-for-youtube@addons.example",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Clickable Channels for YouTube",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_ui": {
    "page": "popup.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ]
}