Add remaining project files (exclude ignored folders)

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

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ZipStream\Exception;
+
+use ZipStream\Exception;
+
+/**
+ * This Exception gets invoked if a file wasn't found
+ */
+class FileNotReadableException extends Exception
+{
+    /**
+     * Constructor of the Exception
+     *
+     * @param String $path - The path which wasn't found
+     */
+    public function __construct(string $path)
+    {
+        parent::__construct("The file with the path $path isn't readable.");
+    }
+}