swap l/r and f/b labels to align with axial/horizontal, conceptually

lib/system.py

@@ -17,6 +17,7 @@ DATADIRS = DataPaths(
     fluorescence_imaging    = DATA_HOME.joinpath("fluorescence imaging"),
     mot_recapture           = DATA_HOME.joinpath("MOT recapture"),
     mot_transfer            = DATA_HOME.joinpath("MOT transfer"),
+    green_shim_scan         = DATA_HOME.joinpath("green shim scan"),
 )
 
 # DEPRECATED NAMES
@@ -37,8 +38,8 @@ CONNECTIONS = ConnectionLayout(
     mot3_coils_cur      =  Analog(0,  3.45),
     mot3_coils_vol      =  Analog(1,  7.00),
     shim_coils_ud       =  Analog(2,  0.00),
-    shim_coils_fb       =  Analog(3,  0.00),
-    shim_coils_lr       =  Analog(4,  0.00),
+    shim_coils_lr       =  Analog(3,  0.00),
+    shim_coils_fb       =  Analog(4,  0.00),
     mot3_coils_igbt     = Digital(0,  4, 1),
     mot3_shims_onoff    = Digital(0,  0, 0),
     mot3_blue_sh        = Digital(1,  7, 1),