fixHeader - modify HTTP headers

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "minimum_chrome_version": "123",
    "offline_enabled": true,
    "default_locale": "en",
    "name": "__MSG_extName__",
    "short_name": "fixHeader",
    "description": "__MSG_extDescription__",
    "version": "0.0.12",
    "icons": {
        "24": "icon_24.png",
        "128": "icon_128.png"
    },
    "action": {
        "default_title": "Open fixHeader (Alt+H)"
    },
    "options_page": "options\/index.html",
    "background": {
        "service_worker": "background\/background.js",
        "type": "module"
    },
    "commands": {
        "_execute_action": {
            "suggested_key": {
                "default": "Alt+H",
                "windows": "Alt+H",
                "mac": "Alt+H",
                "linux": "Alt+H"
            }
        }
    },
    "permissions": [
        "activeTab",
        "declarativeNetRequestWithHostAccess",
        "storage"
    ],
    "optional_host_permissions": [
        "<all_urls>"
    ]
}