Gmail Conversation Reversal

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Gmail Conversation Reversal",
    "short_name": "SGCReversal",
    "description": "__MSG_extDescription__",
    "version": "0.2.0",
    "default_locale": "en",
    "icons": {
        "16": "image\/icon.16.png",
        "48": "image\/icon.48.png",
        "128": "image\/icon.128.png"
    },
    "web_accessible_resources": [],
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/mail.google.com\/*"
            ],
            "css": [
                "css\/style.css"
            ],
            "run_at": "document_end"
        }
    ],
    "action": {
        "default_icon": "image\/icon.128.png"
    },
    "browser_specific_settings": {
        "gecko": {
            "id": "@simple-gmail-conversation-reversal",
            "strict_min_version": "55.0"
        }
    }
}