Manpages of python3-trx-python in Debian experimental

• tff_concatenate_tractograms.py(1)
• tff_convert_dsi_studio.py(1)
• tff_convert_tractogram.py(1)
• tff_generate_trx_from_scratch.py(1)
• tff_manipulate_datatype.py(1)
• tff_simple_compare.py(1)
• tff_validate_trx.py(1)
• tff_verify_header_compatibility.py(1)
• tff_visualize_overlap.py(1)