Examine source code of Google Reader: Free Natural AI Text to Speech, TTS

{
  "manifest_version": 3,
  "version": "2.0.2",
  "name": "Google Reader: Free AI Text to Speech (TTS)",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "options_ui": {
    "page": "src/pages/options/index.html"
  },
  "action": {
    "default_icon": {
      "128": "logo-128.png"
    }
  },
  "icons": {
    "128": "logo-128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "notifications",
    "activeTab",
    "contextMenus",
    "scripting"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/index.tsx-loader-djNUt5iW.js"
      ],
      "matches": [
        "https://www.gstatic.com/*"
      ],
      "css": [
        "contentStyle.css",
        "assets/index-D9mW1Cdd.css"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "assets/inject.tsx-loader-W682AOg9.js"
      ],
      "matches": [
        "https://www.gstatic.com/*"
      ],
      "run_at": "document_start"
    }
  ],
  "devtools_page": "src/pages/devtools/index.html",
  "web_accessible_resources": [
    {
      "matches": [
        "https://www.gstatic.com/*"
      ],
      "resources": [
        "contentStyle.css",
        "logo-128.png",
        "sim-gpt.png",
        "sim-google.png",
        "sim-gemini.png",
        "pin-step-3.png",
        "pdf.worker.js",
        "injected.js",
        "chrome-pin.png",
        "firefox-pin.png",
        "webreader.png",
        "upload-docs-chrome.png",
        "upload-docs-firefox.png",
        "assets/client-6bPc9rev.js",
        "assets/preload-helper-xmsD7tOQ.js",
        "assets/_commonjsHelpers-D6-XlEtG.js",
        "assets/pdf-core-DMYPxomj.js",
        "assets/__vite-browser-external-BIHI7g3E.js",
        "assets/index.tsx-DsyggSei.js",
        "assets/inject.tsx-QGJmJ_Jy.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3f358b6a-746b-43b0-a2ab-16933fa29a47}"
    }
  },
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  }
}