Examine source code of RTL Text Director

{
  "name": "RTL Text Director",
  "description": "Sets text direction to right-to-left (RTL) on supported sites to improve readability for RTL languages.",
  "manifest_version": 2,
  "version": "1.0.0",
  "permissions": [
    "storage",
    "*://chatgpt.com/*",
    "*://platform.openai.com/chat/*",
    "*://claude.ai/*",
    "*://chat.deepseek.com/*",
    "*://grok.com/*",
    "*://v0.app/*",
    "*://gemini.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://chatgpt.com/*",
        "*://platform.openai.com/chat/*",
        "*://claude.ai/*",
        "*://chat.deepseek.com/*",
        "*://grok.com/*",
        "*://v0.app/*",
        "*://gemini.google.com/*"
      ],
      "all_frames": true,
      "js": [
        "content-script.js"
      ],
      "css": [
        "assets/styles.css"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rtl-text-director@example.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}