add error handlers

public/index.php

@@ -10,6 +10,8 @@ use Hpz937\Phpvault\Database;
 use Hpz937\Phpvault\Middleware\AuthMiddleware;
 use Hpz937\Phpvault\Vault;
 use Psr\Container\ContainerInterface;
+use Hpz937\Phpvault\Handler\HtmlErrorRenderer;
+use Hpz937\Phpvault\Handler\JsonErrorRenderer;
 
 $dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . '/..');
 $dotenv->load();
@@ -189,4 +191,12 @@ $app->post('/vault/{vaultName}', function ($request, $response, array $args) use
     }
 })->add($authMiddleware);
 
+// Add Error Middleware
+$errorMiddleware = $app->addErrorMiddleware(true, true, true);
+
+// Get the default error handler and register my custom error renderer.
+$errorHandler = $errorMiddleware->getDefaultErrorHandler();
+$errorHandler->registerErrorRenderer('text/html', HtmlErrorRenderer::class);
+$errorHandler->registerErrorRenderer('application/json', JsonErrorRenderer::class);
+
 $app->run();