React Js Add Element or Items to Array by using Input Field

<!DOCTYPE html>
<html>

<body>
    <div id="app"></div>
    <script type="text/babel">
       function App() {
            const { useState } = React;
            const [items, setItems] = useState(['Apple', 'Mango']); // State to hold the array of items
            const [inputValue, setInputValue] = useState(''); // State to hold the input field value

const handleInputChange = (event) => {
                setInputValue(event.target.value);
            };

<ul>
                        {items.map((item, index) => (
                            <li key={index}>{item}</li>
                        ))}
                    </ul>
                </div>

);
        }

ReactDOM.render(<App />, document.getElementById("app"));
    </script>

.container {

padding: 20px;

border-radius: 8px;
        }

h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

.form {
            display: flex;
            margin-bottom: 20px;
        }

input[type="text"] {
            flex: 1;
            padding: 8px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 16px;
        }

button {
            padding: 8px 16px;
            border: none;
            border-radius: 4px;
            background-color: #4caf50;
            color: #fff;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

button:hover {
            background-color: #45a049;
        }

ul {
            list-style-type: none;
            padding: 0;
        }

li {
            margin-bottom: 8px;
            font-size: 16px;
        }
    </style>
</body>

</html>