feat: Add Swagger UI documentation di root URL

public/index.php

@@ -19,6 +19,47 @@ AppConfig::loadEnv(__DIR__ . '/..');
 // Bootstrap application
 $app = AppBootstrap::create();
 
+// Root route - redirect to docs
+$app->get('/', function ($request, $response) {
+    return $response
+        ->withHeader('Location', '/docs')
+        ->withStatus(302);
+});
+
+// Docs route - serve Swagger UI
+$app->get('/docs', function ($request, $response) {
+    $docsPath = __DIR__ . '/docs/index.html';
+    
+    if (!file_exists($docsPath)) {
+        return $response
+            ->withStatus(404)
+            ->withHeader('Content-Type', 'text/html')
+            ->getBody()->write('<h1>Documentation not found</h1>');
+    }
+    
+    $html = file_get_contents($docsPath);
+    $response->getBody()->write($html);
+    
+    return $response->withHeader('Content-Type', 'text/html');
+});
+
+// Serve OpenAPI JSON
+$app->get('/docs/openapi.json', function ($request, $response) {
+    $openApiPath = __DIR__ . '/docs/openapi.json';
+    
+    if (!file_exists($openApiPath)) {
+        return $response
+            ->withStatus(404)
+            ->withHeader('Content-Type', 'application/json')
+            ->getBody()->write(json_encode(['error' => 'OpenAPI spec not found']));
+    }
+    
+    $json = file_get_contents($openApiPath);
+    $response->getBody()->write($json);
+    
+    return $response->withHeader('Content-Type', 'application/json');
+});
+
 // Register module routes
 HealthRoutes::register($app);
 AuthRoutes::register($app);