Add MySQL schema dump for phpMyAdmin

bootstrap/autoload.php

@@ -0,0 +1,19 @@
+<?php
+spl_autoload_register(function (string $class): void {
+    $prefix = 'App\\';
+    $baseDir = __DIR__ . '/../app/';
+
+    $len = strlen($prefix);
+    if (strncmp($prefix, $class, $len) !== 0) {
+        return;
+    }
+
+    $relativeClass = substr($class, $len);
+    $file = $baseDir . str_replace('\\', '/', $relativeClass) . '.php';
+
+    if (file_exists($file)) {
+        require $file;
+    }
+});
+
+require_once __DIR__ . '/helpers.php';