Examine source code of Kokoro TTS web page reader

{
  "manifest_version": 2,
  "name": "Kokoro TTS web page reader",
  "version": "1.2.0",
  "description": "Read any web page aloud with a self-hosted Kokoro TTS server or cloud TTS (DeepInfra, OpenRouter, ElevenLabs). Summarize pages and chat with page content using Ollama, LM Studio, llama.cpp, or OpenAI. Works on Firefox desktop and Android.",
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "<all_urls>"
  ],
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "browser_action": {
    "default_icon": "icon.svg",
    "default_popup": "popup.html",
    "default_title": "Kokoro TTS reader"
  },
  "background": {
    "page": "background.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "shared.js",
        "Readability.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "kokoro-tts-reader-web@selfhosters.com",
      "strict_min_version": "113.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}