Integrate alternator current sensor

[patricktokeeffe]

Add the DC current sensor switch for monitoring power output from the alternator to the inverter battery array.

• https://www.automationdirect.com/adc/shopping/catalog/sensors_-z-_encoders/current_-a-_voltage_sensors_(ac_-a-_dc)/current_transducers/dc_current_transducers/dct400-42-24-s
• https://cdn.automationdirect.com/static/specs/acuampdct.pdf