[BAEL-2533] Format the JSON Date output in Spring Boot (#6376)

* [BAEL-2533] formatting json date output in spring boot

* [BAEL-2533] removed unused import

* [BAEL-2533] moved code examples to new module

* [BAEL-2533] clean up - removed code examples from old module

* [BAEL-2533] removed maven wrapper

spring-boot-data/src/main/java/com/baeldung/SpringBootDataApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootDataApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootDataApplication.class, args);
+    }
+
+}