How to create a wordpress plugin?

my_plugin_name.php

<?php

/**
 * Plugin Name:       My Plugin Name
 * Plugin URI:        https://github.com/xxGus
 * Description:       A simple plugin
 * Version:           1.0.0
 * Author:            Gustavo Baptista
 * Author URI:        https://github.com/xxGus
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain:       my-plugin-name
 * Domain Path:       /languages
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}