Examine source code of RTL for Deepseek

{
  "manifest_version": 2,
  "name": "RTL for Deepseek",
  "version": "1.0",
  "description": "Toggle RTL direction on chat.deepseek.com and change icon based on state.",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "background": {
    "page": "background.html"
  },
  "icons": {
    "16": "icons/icon_ltr16.png",
    "48": "icons/icon_ltr48.png",
    "128": "icons/icon_ltr128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "diakohamidian@gmail.com"
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon_ltr16.png",
      "48": "icons/icon_ltr48.png",
      "128": "icons/icon_ltr128.png"
    },
    "default_title": "Toggle RTL"
  }
}