volume: add tomoscan.esrf.frvolume.utils
contains functions to ease volume research from a file_path or a folder_path.
- guess_hdf5_volume_data_paths: function to research volume dataset inside hdf5 file
- guess_volumes: discover possible volume from a file_path (for hdf5 and multi-tiff) or from a folder path (edf, jp2k, tif)