Added gain documentation to B_G431B_ESC1.ino

examples/hardware_specific_examples/B_G431B_ESC1/B_G431B_ESC1.ino

@@ -7,6 +7,7 @@
 // Motor instance
 BLDCMotor motor = BLDCMotor(11);
 BLDCDriver6PWM driver = BLDCDriver6PWM(A_PHASE_UH, A_PHASE_UL, A_PHASE_VH, A_PHASE_VL, A_PHASE_WH, A_PHASE_WL);
+// Gain calculation shown at https://community.simplefoc.com/t/b-g431b-esc1-current-control/521/21
 LowsideCurrentSense currentSense = LowsideCurrentSense(0.003f, -64.0f/7.0f, A_OP1_OUT, A_OP2_OUT, A_OP3_OUT);
 
 
@@ -107,4 +108,4 @@ void loop() {
 
   // user communication
   command.run();
-}
+}