ion-channel-scripts: prepare figures for ion channels.

scripts for converting coot HOLE-generated pore-lining data of ion channel and displaying in chimera/chimerax or pymol

1. dat2cmm.py

converting .dat format into .cmm format, which can be read by chimera/chimeraX for displaying the pore-lining plots.

usage: python dat2cmm.py --i input --o output

2. cmm2cif.py

converting .cmm format into .cif format, which can be read by pymol for displaying the pore-lining plots.

usage: python cmm2cif.py --i input --o output