vendor and env first commit

vendor/maennchen/zipstream-php/src/Exception/StreamNotReadableException.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ZipStream\Exception;
+
+use ZipStream\Exception;
+
+/**
+ * This Exception gets invoked if a stream can't be read.
+ */
+class StreamNotReadableException extends Exception
+{
+    /**
+     * @internal
+     */
+    public function __construct()
+    {
+        parent::__construct('The stream could not be read.');
+    }
+}