Examine source code of YouTube Queue Sidebar

{
  "manifest_version": 3,
  "name": "YouTube Queue Sidebar",
  "version": "3.7.1",
  "description": "YouTube queue manager with Alt+Click, Alt+Q, and Cloud Sync.",
  "permissions": [
    "storage",
    "contextMenus",
    "tabs",
    "activeTab"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_icon": "icons/icon48.png",
    "default_title": "YouTube Queue"
  },
  "commands": {
    "add-to-queue-hotkey": {
      "suggested_key": {
        "default": "Alt+Q"
      },
      "description": "Add hovered video or active tab to queue"
    },
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "Toggle YouTube Queue Panel"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options/index.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_title": "YouTube Queue",
    "default_panel": "sidebar.html",
    "default_icon": "icons/icon32.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "yt-queue-sidebar@jyotirmay.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}