Ensured default domain redirects cannot be edited through regular approach

module/Core/src/Exception/InvalidDomainException.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Exception;
+
+use Fig\Http\Message\StatusCodeInterface;
+use Mezzio\ProblemDetails\Exception\CommonProblemDetailsExceptionTrait;
+use Mezzio\ProblemDetails\Exception\ProblemDetailsExceptionInterface;
+
+class InvalidDomainException extends DomainException implements ProblemDetailsExceptionInterface
+{
+    use CommonProblemDetailsExceptionTrait;
+
+    private const TITLE = 'Invalid domain';
+    private const TYPE = 'INVALID_DOMAIN';
+
+    private function __construct(string $message)
+    {
+        parent::__construct($message);
+    }
+
+    public static function forDefaultDomainRedirects(): self
+    {
+        $e = new self('You cannot configure default domain\'s redirects this way. Use the configuration or env vars.');
+        $e->detail = $e->getMessage();
+        $e->title = self::TITLE;
+        $e->type = self::TYPE;
+        $e->status = StatusCodeInterface::STATUS_BAD_REQUEST;
+
+        return $e;
+    }
+}