fix script typo logs

scripts/simulate_multi_node_diloco.sh

@@ -59,7 +59,7 @@ export BASE_PORT=${BASE_PORT:-10001}
 
 for i in $(seq 0 $(($N - 1 )))
 do
-    > logs/log$i
+    > logs/log$i.log
     GLOBAL_UNIQUE_ID=$i GLOBAL_RANK=$i CUDA_VISIBLE_DEVICES=$(get_cuda_devices $NUM_GPU $i) uv run torchrun --nproc_per_node=$NUM_GPU --node-rank 0 --rdzv-endpoint localhost:$((BASE_PORT + $i)) --nnodes=1  $@  > logs/log$i.log 2>&1 &
     child_pids+=($!)
 done