refactoring: comments and identation on sendMessage Method

src/main/java/ClientHandler.java

@@ -57,8 +57,9 @@ public class ClientHandler implements Runnable {
     }
   }
 
+    //Method to send a message to the client
     public void sendMessage(String message) { 
-      toClientWriter.println(message);
-      toClientWriter.flush();
+      toClientWriter.println(message); // Send the message to the client
+      toClientWriter.flush(); // Flush the stream
     }
 }