now the table of configs is saved to a tsv file

work related to [https://bugzilla.ipr.univ-rennes.fr/show_bug.cgi?id=4171]

concho/procs_chooser.py

@@ -291,6 +291,7 @@ def plot_configs(configs: List[Config], xaxis_def: ConfigAxisDef, yaxis_def: Con
     logging.info('\n' + df.to_string(index=False))
     if figure_file_path:
         plt.savefig(figure_file_path)
+        df.to_csv(figure_file_path.with_suffix('.tsv'), sep='\t', index=False)
     else:
         plt.show()