feat(init): hello jenkins

src/main/java/https/demo/DemoController.java

@@ -6,12 +6,12 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
-@RequestMapping("/v")
+@RequestMapping("/v1")
 public class DemoController {
 
-    @GetMapping("/v1")
+    @GetMapping("/hello")
     public String HelloWord() {
-        return "hello";
+        return "Hello Jenkins";
     }
 
 }