refactoring: comments and identation on sendMessage Method

src/main/java/ClientHandler.java

@@ -54,11 +54,12 @@ public class ClientHandler implements Runnable {
       if (toClientWriter != null) {
         toClientWriter.close();
       }
-       }
+    }
   }
 
+    //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
     }
 }