Created custom 404 error handling

app/routes.php

@@ -1,12 +1,15 @@
 <?php
 
-// Home view(s)
-require 'routes/index.php';
-require 'routes/about.php';
-require 'routes/contact.php';
-require 'routes/home.php';
-require 'routes/music.php';
-require 'routes/shows.php';
+// Main view routes
+require 'routes/pages/index.php';
+require 'routes/pages/about.php';
+require 'routes/pages/contact.php';
+require 'routes/pages/home.php';
+require 'routes/pages/music.php';
+require 'routes/pages/shows.php';
 
 // API routes
 require 'routes/apiv1/music.php';
+
+// Errors
+require 'routes/errors/404.php';

app/routes/errors/404.php

@@ -0,0 +1,5 @@
+<?php
+
+$app->notFound(function() use ($app) {
+  $app->render('errors/404.twig');
+});

app/views/errors/404.twig

@@ -0,0 +1,13 @@
+{% extends 'templates/default.twig' %}
+
+{% block title %}404 Error{% endblock %}
+
+{% block content %}
+	<!-- Error information section -->
+	<section id="error-section" class="row">
+		<div class="col-xs-12 card hover-box shadow-1">
+			<h4>404 Error</h4>
+      <p>The URL you were looking for doesn't exist. Perhaps you'd like to start over at the <a href="{{ urlfor('home') }}">home page</a>?</p>
+		</div>
+	</section>
+{% endblock %}