Install PHPFUI.css

Author: phpfui

install.php

@@ -23,6 +23,7 @@
 $css = [];
 $css['instadoc/highlighter/styles'] = [
 	'PHP.css' => 'highlighter/styles',
+	'PHPFUI.css' => 'highlighter/styles',
 	];
 
 $phpfuiInstaller->copyFiles('..', $css);