chore: 📎 + fmt

Software/MainBoard/rust/src/webserver/ota.rs

@@ -32,7 +32,7 @@ where
             let mut chunk = 0;
             loop {
                 let buf = read_up_to_bytes_from_request(conn, Some(4096)).await?;
-                if buf.len() == 0 {
+                if buf.is_empty() {
                     info!("file request for  ota finished");
                     let mut board = BOARD_ACCESS.get().await.lock().await;
                     board.board_hal.get_esp().finalize_ota().await?;
@@ -45,11 +45,11 @@ where
                     board
                         .board_hal
                         .get_esp()
-                        .write_ota(offset as u32, &*buf)
+                        .write_ota(offset as u32, &buf)
                         .await?;
                 }
-                offset = offset + buf.len();
-                chunk = chunk + 1;
+                offset += buf.len();
+                chunk += 1;
             }
             BOARD_ACCESS
                 .get()