Added exception \ncc\Exceptions > AuthenticationException

https://git.n64.cc/nosial/ncc/-/issues/28

src/ncc/Exceptions/AuthenticationException.php

@@ -0,0 +1,20 @@
+<?php
+
+    namespace ncc\Exceptions;
+
+    use Exception;
+    use ncc\Abstracts\ExceptionCodes;
+    use Throwable;
+
+    class AuthenticationException extends Exception
+    {
+        /**
+         * @param string $message
+         * @param Throwable|null $previous
+         */
+        public function __construct(string $message = "", ?Throwable $previous = null)
+        {
+            parent::__construct($message, ExceptionCodes::AuthenticationException, $previous);
+            $this->message = $message;
+        }
+    }