Added an Index endpoint

Author: Rajeev Kumar Singh

.gitignore

@@ -21,4 +21,5 @@ build/
 nbbuild/
 dist/
 nbdist/
-.nb-gradle/
+.nb-gradle/
+.elasticbeanstalk

src/main/java/com/example/easynotes/controller/IndexController.java

@@ -0,0 +1,16 @@
+package com.example.easynotes.controller;
+
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/")
+public class IndexController {
+
+    @GetMapping
+    public String sayHello() {
+        return "Hello and Welcome to the EasyNotes application. You can create a new Note by making a POST request to /api/notes endpoint.";
+    }
+}