[app][process] add some aliases for the absorption column

est/app/process.py

@@ -121,6 +121,8 @@ def main(argv):
     parser.add_argument(
         "--input-abs-col-name",
         "--abs-col-name",
+        "--input-mu-col-name",
+        "--mu-col-name",
         dest="input_abs_col_name",
         default=None,
         help="Provide name of the absorption column for spec file",