docs: Add documentation with issue that keeps track of the hardware issue in power board

This fix also affects ARMAR-7. Is this desired?

source/devices/ethercat/power_board/Slave.cpp

@@ -88,7 +88,8 @@ namespace devices::ethercat::power_board
         hasError |= errorDecoder.leaderBMAlarm1ErrorDetected(this, printErrors);
         hasError |= errorDecoder.leaderBMAlarm2ErrorDetected(this, printErrors);
 
-        // Ignore errors for now since it seems faulty in firmware.
+        // Ignore errors for now since it seems faulty in firmware. Tracked in:
+        // https://git.h2t.iar.kit.edu/sw/armarx-integration/robots/armarde/documentation/-/issues/24
         return false;
 
         return hasError;