Revived API /api/v1/captcha.

Now a new captcha is created to check for a bot.

app/Dto/HttpUserData.php

@@ -0,0 +1,27 @@
+<?php declare(strict_types=1);
+
+namespace App\Dto;
+
+final readonly class HttpUserData
+{
+    public function __construct(
+        private ?string $clientIp = null,
+        private ?string $userAgent = null,
+        private ?string $referer = null
+    ) { }
+
+    public function getClientIp(): ?string
+    {
+        return $this->clientIp;
+    }
+
+    public function getUserAgent(): ?string
+    {
+        return $this->userAgent;
+    }
+
+    public function getReferer(): ?string
+    {
+        return $this->referer;
+    }
+}