Prepare the templatae for other HPC scripts

...iction_tools/HPC_scripts/data_extraction_era5_template.sh

...ction_tools/HPC_scripts/meta_postprocess_era5_template.sh

..._tools/HPC_scripts/preprocess_data_era5_step1_template.sh

..._tools/HPC_scripts/preprocess_data_era5_step2_template.sh

...prediction_tools/HPC_scripts/train_model_era5_template.sh

..._tools/HPC_scripts/visualize_postprocess_era5_template.sh

video_prediction_tools/env_setup/requirements.txt