Examine source code of RTL Enhanced Optimizer

{
  "action": {
    "default_icon": {
      "16": "icons/icon-on-16.png",
      "32": "icons/icon-on-32.png",
      "48": "icons/icon-on-48.png",
      "128": "icons/icon-on-128.png",
      "512": "icons/icon-on-512.png"
    },
    "default_popup": "popup.html"
  },
  "author": "Audio Spot",
  "background": {
    "service_worker": "scripts/background.js",
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rtl-audio-spot@audio-spot",
      "strict_min_version": "121.0"
    }
  },
  "commands": {
    "convert-selection": {
      "description": "Convert selected text to the extension UI language (standard layout)"
    },
    "toggle-align-right": {
      "description": "Toggle Align Text Right for RTL (per domain)"
    },
    "toggle-always-rtl": {
      "description": "Toggle Always Force RTL (Entire Page) (per domain)"
    },
    "toggle-auto-detect": {
      "description": "Toggle Automatic RTL Detection (per domain)"
    },
    "toggle-domain": {
      "description": "Toggle RTL for current domain",
      "suggested_key": {
        "default": "Ctrl+Shift+0"
      }
    },
    "toggle-page": {
      "description": "Toggle RTL for current page",
      "suggested_key": {
        "default": "Ctrl+Shift+9"
      }
    },
    "toggle-sidebar-rtl": {
      "description": "Toggle Apply RTL to Sidebar (per domain)"
    },
    "toggle-smart-rtl": {
      "description": "Toggle Smart RTL (Main Content Only) (per domain)",
      "suggested_key": {
        "default": "Ctrl+Shift+8"
      }
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "scripts/rtlCore.js",
        "scripts/contentScript.js"
      ],
      "match_about_blank": true,
      "match_origin_as_fallback": true,
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    }
  ],
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "icons/icon-on-16.png",
    "32": "icons/icon-on-32.png",
    "48": "icons/icon-on-48.png",
    "128": "icons/icon-on-128.png",
    "512": "icons/icon-on-512.png"
  },
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "version": "1.7.16"
}