Update InitialDataController.java

samples/demo-authorizationserver/src/main/java/sample/web/InitialDataController.java

@@ -10,13 +10,13 @@ import org.springframework.security.oauth2.core.oidc.OidcScopes;
 import org.springframework.security.oauth2.server.authorization.client.JdbcRegisteredClientRepository;
 import org.springframework.security.oauth2.server.authorization.client.RegisteredClient;
 import org.springframework.security.oauth2.server.authorization.settings.ClientSettings;
-import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
 import sample.service.JdbcUserService;
 
 import java.util.UUID;
 
-@Controller
+@RestController
 public class InitialDataController {
 
 	@PostMapping("/initial-data")