Examine source code of Article Song

{
  "description": "Sing your articles!",
  "manifest_version": 2,
  "name": "Turn articles into songs!",
  "version": "1.0",
  "icons": {
    "48": "icons/glitch_note-48.png",
    "96": "icons/glitch_note-96.png",
    "128": "icons/glitch_note-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "richardson.andrew@gmail.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "logger.js",
      "prompts.js",
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/glitch_note.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "downloads",
    "menus",
    "notifications",
    "storage",
    "https://api.anthropic.com/*",
    "https://api.sunoapi.org/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "Readability.js",
        "content_script.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  }
}