Create menu section under Tools in WordPress admin dashboard and Editor role redirect

functions.php

<?php

// Create menu section under Tools in WordPress admin
add_action( 'admin_menu', 'docs_admin_menu' );

// New section under Tools 
function docs_admin_menu() {
	add_management_page( 'Docs', 'Docs', 'manage_categories', 'docs', 'content_docs_admin_menu' );
}

// Contents for the new section
function content_docs_admin_menu() {
	echo '<div class="wrap">';
	echo '<h1>Docs Section</h1>';
	echo '<h2>Lorem ipsum dolor sit amet</h2>';
	echo '<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin nec cursus magna.</p>';
	echo '<h2>Ut laoreet hendrerit dui</h2>';
	echo '<p>Sed nec ipsum scelerisque, pellentesque urna at, fermentum nisi.</p>';
	echo '<h3>Morbi vehicula quam quis lorem ultrices viverra</h3>';
	echo '<p>Integer massa ipsum, consectetur eu luctus non, venenatis et est.</p>';
  	echo '</div>';
}

/**
* Redirect Editor role to new section
* @author  Mauricio Gelves <[email protected]>
*/
function mg_dashboard_redirect(){
    
	// Get the current user
	$user = wp_get_current_user();
    
	// Asking for Editor role
	if( in_array( 'editor', $user->roles ) ):
    
		// If Editor role exists then redirect
		wp_redirect(admin_url('tools.php?page=docs'));
		exit;
    
	endif;
    
}
add_action('load-index.php', 'mg_dashboard_redirect');