[update] Increase buffer sizes in Client and Server classes for improved WebSocket performance. Add logging for PDF upload processes in CheckUpPage and ServerHandler. Update binary files for barcodes and QR codes.

src/main/java/BsK/server/network/handler/ServerHandler.java

@@ -2200,6 +2200,7 @@ public class ServerHandler extends SimpleChannelInboundHandler<TextWebSocketFram
    */
   private void uploadCheckupImageToGoogleDriveAsync(String checkupId, String fileName, byte[] imageData) {
     // CẢI TIẾN: Sử dụng CompletableFuture để xử lý bất đồng bộ, hiệu quả hơn new Thread().
+    log.info("uploadCheckupImageToGoogleDriveAsync");
     CompletableFuture.runAsync(() -> {
         try {
             if (!Server.isGoogleDriveConnected()) {