add return type

Author: fd6130

src/Maker/MakeHslCrud.php

@@ -43,7 +43,7 @@ public static function getCommandName(): string
         return 'make:hsl:crud';
     }
 
-    public static function getCommandDescription()
+    public static function getCommandDescription(): string
     {
         return 'Create a generic CRUD controller.';
     }

src/Maker/MakeHslTransformer.php

@@ -47,7 +47,7 @@ public static function getCommandName(): string
         return 'make:hsl:transformer';
     }
 
-    public static function getCommandDescription()
+    public static function getCommandDescription(): string
     {
         return 'Create a transformer class for transforming data to your flavour.';
     }