readd implementation folder

implementation/03/composer.json

@@ -0,0 +1,18 @@
+{
+    "name": "lubiana/no-framework",
+    "autoload": {
+        "psr-4": {
+            "Lubiana\\NoFramework\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "example",
+            "email": "test@example.com"
+        }
+    ],
+    "require": {
+        "php": ">=8.1",
+        "filp/whoops": "^2.14"
+    }
+}

implementation/03/public/index.php

@@ -0,0 +1,3 @@
+<?php declare(strict_types=1);
+
+require __DIR__ . '/../src/Bootstrap.php';

implementation/03/src/Bootstrap.php

@@ -0,0 +1,27 @@
+<?php declare(strict_types=1);
+
+namespace Lubian\NoFramework;
+
+use Whoops\Handler\PrettyPageHandler;
+use Whoops\Run;
+
+require __DIR__ . '/../vendor/autoload.php';
+
+$environment = getenv('ENVIRONMENT') ?: 'dev';
+
+error_reporting(E_ALL);
+
+$whoops = new Run();
+
+if ($environment === 'dev') {
+    $whoops->pushHandler(new PrettyPageHandler());
+} else {
+    $whoops->pushHandler(function (\Throwable $t) {
+        error_log('ERROR: ' . $t->getMessage(), $t->getCode());
+        echo 'Oooopsie';
+    });
+}
+
+$whoops->register();
+
+echo 'Hello World!';