Improvements and features for nect flowTorch workshop

high priority
- numerical datasets for buffet flows
- make datasets downloadable
- revise and update documentation
- documentation and tutorial for OCDMD
- OCDMDc development
- OCDMDc tutorial
- partitioned SVD development
- SCube tutorial

optional
- image dataloader
-  OpenFOAM DataWriter
- region-awareness in FOAMDataloader
- foamlib as backend for FOAMDataloader
- SmartRedisDataloader