This commit reorganizes the "/workflows" directory in preparation for
the upcoming version 2.0 release. Previous workflow files have been
temporarily moved to a subdirectory named "__old" and will be removed
after the transition period.
The new directory now includes three subdirs ("BF16", "FP8", and "GGUF")
grouping workflows by checkpoint type. Workflows are created in "/GGUF"
and automatically converted to other formats (BF16 and FP8) using a script
called "convert.sh".
Additionally, the "/scripts/wfmigrator.py" script has been implemented to
handle these conversion operations internally.
Martin Rizzo
89b9971faf