Get info for MaxEnt from HDF5 data file

[ALF-Import-Bot]

In GitLab by @jonasschwab on May 9, 2023, 16:05 UTC:

Migrated from GitLab: https://git.physik.uni-wuerzburg.de/ALF/pyALF/-/issues/29

[ALF-Import-Bot]

In GitLab by @jonasschwab on May 9, 2023, 16:06 UTC:

created branch 29-get-info-for-maxent-from-hdf5-data-file to address this issue