add > RESTFul controller template

src/test/resources/generator/template/controller.ftl

@@ -10,6 +10,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
+import java.util.List;
 
 /**
 * Created by ${author} on ${date}.