Manage menu items and custom pages in Woocommerce my account dashboard

class-woocommerce.php

<?php

class MK_Woocommerce {

	public function __construct() {
		$this->init();
	}

	public function init() {
		add_filter( 'woocommerce_account_menu_items', array( $this, 'manage_menu_items' ), 80 );
		add_action( 'init', array( $this, 'add_resources_item' ) );
		add_action( 'woocommerce_account_resources_endpoint', array( $this, 'resources_output' ) );
		add_filter( 'woocommerce_get_query_vars', array( $this, 'add_resources_query_var' ) );
		add_action( 'template_redirect', array( $this, 'set_my_account_homepage' ) );  }

	/**
	 *
	 * Add Resources item to the menu items
	 *
	 * @param array $items Array of registered menu items
	 * @return array Array of registered and new menu items
	 */
	public function manage_menu_items( $items ) {

		// Remove the dashboard item
		unset( $items['dashboard'] );

		// Add resources item before last item
		$items = array_merge(
			array_slice( $items, 0, count( $items ) - 1 ),
			array( 'resources' => __( 'Resources', 'textdomain' ) ),
			array_slice( $items, count( $items ) - 1 ),
		);
		return $items;
	}

	/**
	 * Register the new endpoint
	 *
	 * @return void
	 */
	public function add_resources_item() {
		add_rewrite_endpoint( 'resources', EP_PAGES );
	}

	/**
	 * The resources endpoint output
	 *
	 * @return void
	 */
	public function resources_output() {
		echo '<p>My custom endpoint output.</p>';
	}

	/**
	 * Register the resources query var
	 *
	 * @param array $vars Array of registered query vars.
	 * @return array Array of registered and new query vars.
	 */
	public function add_resources_query_var( $vars ) {
		$vars['resources'] = 'resources';
		return $vars;
	}

	/**
	 * Set the homepage for the Woocommerce my account page
	 */
	public function set_my_account_homepage() {
		if ( is_account_page() && empty( WC()->query->get_current_endpoint() ) ) {
			wp_safe_redirect( wc_get_account_endpoint_url( 'resources' ) );
			exit;
		}
	}
}