fix: File Exception.php not found

src/Utils/FileSystem/Exception/BadEnvException.php

@@ -0,0 +1,4 @@
+<?php
+namespace Bsr\Utils\FileSystem\Exception;
+
+class BadEnvException extends \Exception {}

src/Utils/FileSystem/FileSystem.php

@@ -1,6 +1,8 @@
 <?php
 namespace Bsr\Utils\FileSystem;
 
+use Bsr\Utils\FileSystem\Exception\BadEnvException;
+
 class FileSystem
 {
     /**
@@ -24,7 +26,7 @@ class FileSystem
             if (!file_exists($buildPath . "/$part")) {
                 if (!is_writable($buildPath)) {
                     if ($throw) {
-                        throw new Exception("Attempting to create : $path, but $buildPath is not writeable.");
+                        throw new BadEnvException("Attempting to create : $path, but $buildPath is not writeable.");
                     }
                     return false;
                 }