Add TMB file in the data_dir

[AntoniaChroni]

What data file(s) does this issue pertain to?

This issue is related to the TMB file used in the tmb-vaf-longitudinal module in the input_dir, i.e., snv-mutation-tmb-coding.tsv

What release are you using?

Put your question or report your issue here.

If used in other modules, we should consider including this in the next data release for the project.