add autoload namespace for elegant require file

src/index.php

+<?php
+    session_start();
+    define("MOTAFW", true);
+    define("APPDIR", __DIR__ . '/app/');
+    define("PUBLICDIR", '/public/');
+    define("CSS", PUBLICDIR . 'css/');
+    define("JS", PUBLICDIR . 'js/');
+    define("IMG", PUBLICDIR . 'img/');
+
+    require_once __DIR__ . '/vendor/autoload.php';
+
+    use \MotaRaido\Core\Route;
+
+    $route = new Route();
+
+    // include all routes
+    $dir = new RecursiveDirectoryIterator(APPDIR);
+    $iter = new RecursiveIteratorIterator($dir);
+    $files = new RegexIterator($iter, '/^.+\.routes\.php$/', RecursiveRegexIterator::GET_MATCH); // an Iterator, not an array
+
+    foreach ( $files as $file ) {
+        foreach($file as $route_file) {
+            require_once $route_file;
+        }
+
+    }
+    
+    $route->dispatch();
+    

src/vendor/autoload.php

+<?php
+spl_autoload_register(function ($class) {
+
+    $prefix = 'MotaRaido\\';
+
+    $base_dir = APPDIR;
+
+    $len = strlen($prefix);
+    if (strncmp($prefix, $class, $len) !== 0) {
+        return;
+    }
+
+    $relative_class = substr($class, $len);
+
+    $file = $base_dir . str_replace('\\', '/', $relative_class) . '.php';
+    
+    if (file_exists($file)) {
+        require $file;
+    }
+});
+