Changed folder structure

src/main/java/com/faf223/expensetrackerfaf/ExpenseTrackerFafApplication.java

@@ -9,5 +9,4 @@ public class ExpenseTrackerFafApplication {
     public static void main(String[] args) {
         SpringApplication.run(ExpenseTrackerFafApplication.class, args);
     }
-
 }

src/main/java/com/faf223/expensetrackerfaf/controllers/GetHelloWorld.java

@@ -0,0 +1,13 @@
+package com.faf223.expensetrackerfaf.controllers;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+class GetHelloWorld {
+
+    @GetMapping("/")
+    public String helloWorld() {
+        return "Hello, World!";
+    }
+}