Basic plugin boilerplate

plugin-name-here.php

<?php
/**
 * Plugin Name:       Name
 * Plugin URI:        http://
 * Description:       Description
 * Version:           1.0.0
 * Author:            Name
 * Author URI:        http://
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain:       plugin-name
 * Domain Path:       /languages
 */
if( !class_exists('ClassName') ){
	class ClassName {
		public function __construct() {
			add_action( 'init', [$this, 'init'] );
		}
		public function init(){
			//start adding hooks (add_action and/or add_filter) here
		}
	}
	new ClassName();
}