Merge pull request #85 from meshtastic/add-bosch-sensors

Add voltage and current for upcoming sensors

environmental_measurement.proto

@@ -7,4 +7,7 @@ message EnvironmentalMeasurement {
   float relative_humidity = 2;
   float barometric_pressure = 3;
   float gas_resistance = 4;
+  float voltage = 5;
+  float current = 6;
+  
 }