Scaler card and detector.

[Relm-Arrowny]

part of #1875
This is to add struck scaler card and pair it up with current amp to from the 4 detectors that are use on the high field magnet. example

[fajinyuan]

could do with some description of which type of scaler card. Do you means each channel of the scaler card as detector or the whole scaler as a single detector?. How about the MCS mode?

[Relm-Arrowny]

could do with some description of which type of scaler card. Do you means each channel of the scaler card as detector or the whole scaler as a single detector?. How about the MCS mode?

Just auto scaled detector with current amplifier without MCS mode.