added backbone module

csst/msc/backbone.py

+
+
+# define CCD ID list
+CCD_ID_LIST = [6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25]
+
+# version of simulation
+VER_SIMS = ["C5.1", "C3"]