Import InvalidInputException exception

Author: pH-7

src/Command/Markdown/Generator.php

@@ -5,6 +5,7 @@
 namespace PH7\PhpReadmeGeneratorFile\Command\Markdown;
 
 use PH7\PhpReadmeGeneratorFile\Command\Exception\EmptyFieldException;
+use PH7\PhpReadmeGeneratorFile\Command\Exception\InvalidInputException;
 use PH7\PhpReadmeGeneratorFile\DefaultValue;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Helper\HelperInterface;