📍Use lombok, reformat, and optimize the code (#1560)

* Use lombok, reformat, and optimize the code

* Fix merge conflicts and some sonar issues

Co-authored-by: va1m <va1m@email.com>

eip-message-channel/src/main/java/com/iluwatar/eip/message/channel/App.java

@@ -23,10 +23,9 @@
 
 package com.iluwatar.eip.message.channel;
 
+import lombok.extern.slf4j.Slf4j;
 import org.apache.camel.builder.RouteBuilder;
 import org.apache.camel.impl.DefaultCamelContext;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * When two applications communicate with each other using a messaging system they first need to
@@ -48,10 +47,9 @@ import org.slf4j.LoggerFactory;
  * Channel is established from the Direct component to console output. No actual messages are sent,
  * only the established routes are printed to standard output.
  */
+@Slf4j
 public class App {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
-
   /**
    * Program entry point.
    */