add kafka and producer change style of packaging of class to cqrs styles in future

pom.xml

@@ -87,6 +87,15 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-config</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.kafka</groupId>
+            <artifactId>kafka-clients</artifactId>
+            <version>3.4.0</version> <!-- Use the latest version -->
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.kafka</groupId>
+            <artifactId>spring-kafka</artifactId>
+        </dependency>
     </dependencies>
 
     <dependencyManagement>