Hello itp

src/main/java/alx/RootController.java

+package alx;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+public class RootController {
+    @GetMapping("/")
+    @ResponseBody
+    public String root() {
+        return "<h1>Aplikacja Springowa</h1>";
+    }
+
+    @GetMapping("/hello")
+    @ResponseBody
+    public String hello() {
+        return "HEllo Spring";
+    }
+}