add HttpStatus.OK in WelcomeController.java

Author: sergeycherkasovv

src/main/java/hexlet/code/controller/WelcomeController.java

@@ -1,15 +1,18 @@
 package hexlet.code.controller;
 
 
+import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @RequestMapping("/welcome")
 public class WelcomeController {
 
     @GetMapping
+    @ResponseStatus(HttpStatus.OK)
     String welcome() {
         return "Welcome to Spring";
     }