Perform general code cleaning & refactoring

src/main/java/com/bartlomiejpluta/demo/util/LimitedQueue.java

@@ -1,20 +1,21 @@
 package com.bartlomiejpluta.demo.util;
 
-import lombok.*;
+import lombok.AllArgsConstructor;
+
 import java.util.LinkedList;
 
 @AllArgsConstructor
 public class LimitedQueue<E> extends LinkedList<E> {
-	private int limit;
+   private int limit;
 
-	@Override
-	public boolean add(E o) {
-		super.add(o);
+   @Override
+   public boolean add(E o) {
+      super.add(o);
 
-		while (size() > limit) {
-			super.remove();
-		}
+      while (size() > limit) {
+         super.remove();
+      }
 
-		return true;
-	}
+      return true;
+   }
 }