plugin-name.php

<?php
/**
 * Plugin Name: Plugin Name
 * Description: Creating plugin settings with React JS.
 * Version: 1.0.0
 * Author: Sanjeev Aryal
 * Author URI: https://www.sanjeebaryal.com.np
 * Text Domain: simplicity
 * Domain Path: /languages/
 * 
 */

defined( 'ABSPATH' ) || exit;

add_action( 'admin_menu', 'prefix_register_settings_menu' );

function prefix_register_settings_menu() {
     add_options_page( 'Plugin Settings', 'Plugin Name', 'manage_options', 'plugin-slug','plugin_settings_page' );   
}

function plugin_settings_page() {
   ?>
    <h2><?php esc_html_e( 'General Settings', 'plugin-text-domain' ); ?></h2>
    <form method="post">
        <table class="form-table">

            <tr valign="top" class="plugin-slug-option">
                <th scope="row"><?php echo esc_html__( 'One of the input type settings', 'plugin-text-domain' ); ?></th>
                    <td>
                        <input style="width:auto" type="text" name="input_type_settings" />
                    </td>
            </tr>
        </table>
        <?php submit_button(); ?>
    </form>
  <?php
}