Fix #330 - Add KEY to CreateDefinition

Signed-off-by: William Desportes <williamdes@wdes.fr>

Author: williamdes

src/Components/CreateDefinition.php

@@ -56,6 +56,7 @@ class CreateDefinition extends Component
             'var',
         ],
         'AUTO_INCREMENT' => 3,
+        'KEY' => 4,
         'PRIMARY' => 4,
         'PRIMARY KEY' => 4,
         'UNIQUE' => 4,