Examine source code of Auto RTL/LTR Switcher

{
  "manifest_version": 3,
  "name": "Auto RTL/LTR Switcher",
  "version": "2.7",
  "description": "Automatically switch text direction based on input language, toggle page font/direction, and disable per site.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{3ba55aac-500f-49f5-ac39-5bb180fa15d0}",
      "strict_min_version": "115.0"
    }
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "exclude_matches": [
        "*://*.shaparak.ir/*"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "fonts/Vazirmatn[wght].woff2"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "toggle-direction": {
      "suggested_key": {
        "default": "Alt+Shift+D"
      },
      "description": "Toggle page direction (RTL/LTR)"
    }
  },
  "permissions": [
    "storage"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline';"
  }
}