HDF5 to XDI conversion

Ticket: https://jira.esrf.fr/browse/DPDEV-373

Convert HDF5 to XDI code: https://gitlab.esrf.fr/jacopo2205/bm08-h5-xdi-conversion/-/blob/master/xdiConvertedBM08.py

Make Ewoks tasks:

• Read XAS scan
• Save XAS scan as XDI