Update captcha handling and introduce new captcha mechanism

src/Socialbox/Objects/Standard/ImageCaptcha.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Socialbox\Objects\Standard;
+
+use Socialbox\Interfaces\SerializableInterface;
+use Socialbox\Objects\Database\CaptchaRecord;
+
+class ImageCaptcha implements SerializableInterface
+{
+    private int $expires;
+    private string $image;
+
+    public function __construct(array $data)
+    {
+        $this->expires = $data['expires'];
+        $this->image = $data['image'];
+    }
+
+    /**
+     * @return int
+     */
+    public function getExpires(): int
+    {
+        return $this->expires;
+    }
+
+    /**
+     * @return string
+     */
+    public function getImage(): string
+    {
+        return $this->image;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function fromArray(array $data): object
+    {
+        return new self($data);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function toArray(): array
+    {
+        return [
+            'expires' => $this->expires,
+            'image' => $this->image
+        ];
+    }
+}