Add DatabaseOperationException class

src/Socialbox/Exceptions/DatabaseOperationException.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Socialbox\Exceptions;
+
+use Exception;
+use Throwable;
+
+class DatabaseOperationException extends Exception
+{
+    public function __construct(string $message, ?Throwable $throwable=null)
+    {
+        parent::__construct($message, 500, $throwable);
+    }
+}