Custom UserAgent String

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "version": "0.2.3",
    "manifest_version": 3,
    "name": "Custom UserAgent String",
    "short_name": "custom-useragent-string",
    "homepage_url": "https:\/\/mybrowseraddon.com\/custom-useragent-string.html",
    "description": "Add a custom useragent string for desired URLs or domains.",
    "commands": {
        "_execute_action": []
    },
    "background": {
        "service_worker": "background.js"
    },
    "permissions": [
        "storage",
        "declarativeNetRequest"
    ],
    "host_permissions": [
        "*:\/\/*\/*",
        "ws:\/\/*\/*",
        "wss:\/\/*\/*"
    ],
    "web_accessible_resources": [
        {
            "matches": [
                "*:\/\/*\/*"
            ],
            "resources": [
                "data\/content_script\/page_context\/inject.js"
            ]
        }
    ],
    "options_ui": {
        "open_in_tab": true,
        "page": "data\/options\/options.html"
    },
    "action": {
        "default_popup": "data\/popup\/popup.html",
        "default_title": "Custom UserAgent String",
        "default_icon": {
            "16": "data\/icons\/16.png",
            "32": "data\/icons\/32.png",
            "48": "data\/icons\/48.png",
            "64": "data\/icons\/64.png"
        }
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/*\/*"
            ],
            "run_at": "document_start",
            "js": [
                "data\/content_script\/inject.js"
            ]
        }
    ],
    "icons": {
        "16": "data\/icons\/16.png",
        "32": "data\/icons\/32.png",
        "48": "data\/icons\/48.png",
        "64": "data\/icons\/64.png",
        "128": "data\/icons\/128.png"
    }
}