[BAEL-1835] Fixing indent and organization

maven-java-kotlin/src/main/java/com/baeldung/mavenjavakotlin/Application.java

@@ -1,6 +1,7 @@
 package com.baeldung.mavenjavakotlin;
 
 import com.baeldung.mavenjavakotlin.services.JavaService;
+import com.baeldung.mavenjavakotlin.services.KotlinService;
 
 public class Application {
 

maven-java-kotlin/src/main/kotlin/com/baeldung/mavenjavakotlin/KotlinService.kt

@@ -1,9 +0,0 @@
-package com.baeldung.mavenjavakotlin
-
-class KotlinService {
-
-  fun sayHello() {
-    System.out.println("Kotlin says 'Hello World!'")
-  }
-
-}

maven-java-kotlin/src/main/kotlin/com/baeldung/mavenjavakotlin/services/KotlinService.kt

@@ -0,0 +1,9 @@
+package com.baeldung.mavenjavakotlin.services
+
+class KotlinService {
+
+    fun sayHello() {
+        System.out.println("Kotlin says 'Hello World!'")
+    }
+
+}