move workflow_parallel_frame_prediction into subdir

.gitignore

...llel_frame_prediction/DataExtraction/external_function.py

...l_frame_prediction/DataExtraction/helper_single_master.py

...lel_frame_prediction/DataExtraction/main_single_master.py

...parallel_frame_prediction/DataExtraction/mpi_stager_v2.py

...llel_frame_prediction/DataExtraction/prepare_era5_data.py

workflow_parallel_frame_prediction/DataExtraction/readme.md

...low_parallel_frame_prediction/DataExtraction/shiftgrid.py

...low_parallel_frame_prediction/DataExtraction/submitJob.sh

...rediction/DataPostprocess/Stager_devel_N_24_evaluation.sh

...w_parallel_frame_prediction/DataPostprocess/data_utils.py

..._parallel_frame_prediction/DataPostprocess/keras_utils.py

...ame_prediction/DataPostprocess/kitti_evaluate_parallel.py

...rallel_frame_prediction/DataPostprocess/kitti_settings.py

...l_frame_prediction/DataPostprocess/packageInstallation.sh

..._prediction/DataPostprocess/parameters_kitti_evaluate.dat

...flow_parallel_frame_prediction/DataPostprocess/prednet.py

...iction/DataPreprocess/Stager_devel_N_24_process_netCDF.sh

...llel_frame_prediction/DataPreprocess/external_function.py

...e_prediction/DataPreprocess/mpi_split_data_multi_years.py