BAEL-20867: Move spring-boot-di into spring-boot-modules

spring-boot-modules/spring-boot-di/src/main/java/com/baeldung/SpringBootDiApplication.java

@@ -0,0 +1,12 @@
+package com.baeldung;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootDiApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootDiApplication.class, args);
+    }
+}