Implemented peer syncing (sort-of)

src/FederationLib/Exceptions/Standard/BadRequestException.php

@@ -0,0 +1,19 @@
+<?php
+
+    namespace FederationLib\Exceptions\Standard;
+
+    use Exception;
+    use FederationLib\Enums\Standard\ErrorCodes;
+    use Throwable;
+
+    class BadRequestException extends Exception
+    {
+        /**
+         * @param string $message
+         * @param Throwable|null $previous
+         */
+        public function __construct(string $message = "", ?Throwable $previous = null)
+        {
+            parent::__construct($message, ErrorCodes::BAD_REQUEST, $previous);
+        }
+    }