added bash for script

scripts/v1_5/pretrain_dummy_ms_mars_no_deepspeed.sh

-python ./llava/train/train_mem.py \
+#!/bin/bash
+
+export CUDA_VISIBLE_DEVICES=5
+
+python -m ./llava/train/train_mem.py \
     --model_name_or_path ../../../mnt/storagecube/johann/llava-v1.5-vit-s \
     --version plain \
     --data_path ./BEN_10.json \