📍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>

pipeline/src/test/java/com/iluwatar/pipeline/PipelineTest.java

@@ -33,7 +33,7 @@ import org.junit.jupiter.api.Test;
 public class PipelineTest {
 
   @Test
-  public void testAddHandlersToPipeline() {
+  void testAddHandlersToPipeline() {
     var filters = new Pipeline<>(new RemoveAlphabetsHandler())
         .addHandler(new RemoveDigitsHandler())
         .addHandler(new ConvertToCharArrayHandler());