Currency converter app

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_appName__",
    "description": "__MSG_shortDesc__",
    "default_locale": "en",
    "version": "0.0.4",
    "offline_enabled": true,
    "action": {
        "default_popup": "popup.html"
    },
    "background": {
        "service_worker": "background.js",
        "type": "module"
    },
    "permissions": [
        "storage"
    ],
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self'"
    },
    "icons": {
        "16": "icons\/16.png",
        "32": "icons\/32.png",
        "48": "icons\/48.png",
        "64": "icons\/64.png",
        "128": "icons\/128.png",
        "256": "icons\/256.png",
        "512": "icons\/512.png"
    },
    "commands": {
        "_execute_action": {
            "suggested_key": {
                "default": "Alt+C",
                "windows": "Alt+C",
                "mac": "Alt+C",
                "chromeos": "Alt+C",
                "linux": "Alt+C"
            }
        }
    },
    "web_accessible_resources": [
        {
            "resources": [
                "currency_config.json"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ]
}