feat : add case editor-style in get_min_file function

#83

Author: firestar300

inc/services/assets.php

@@ -145,6 +145,9 @@ public function get_min_file( $type ) {
 			case 'css':
 				$file = $assets['app.css'];
 				break;
+			case 'editor-style.css':
+				$file = $assets['editor-style.css'];
+				break;
 			case 'js':
 				$file = $assets['app.js'];
 				break;