F_A_8_Exchange_app/src/components/Header/auth.js

import React, { Component } from 'react';
import { Link } from "react-router-dom";
import { Avatar } from 'antd';
class Auth extends Component {
    render() {
        return (
        <div className="auth">
            <Link to="/auth" className="link">

                <div className="avatar">
                    <Avatar icon="user" style={{ backgroundColor: '#1890ff' }}/>
                </div>
                <div>
                    Мой профиль
                </div>    
            </Link>    
        </div>
        );
    }
}

export default Auth;