Todo: document LivoxProto1/Gen1 port demux needs

todo

@@ -21,6 +21,11 @@
   to the io_context of the thread it should post its callbacks to, and
   then post callbacks to those io_contexts when UDP cmd responses
   come in.
+* We should make the LivoxProto1/LivoxGen1 libs use the UdpCmdDemuxer
+  the Pcloud and IMU data, in addition to the commands. This is required
+  to support multiple LivoxProto1/Gen1 devices. Right now, one device
+  will receive all of the pcloud/imu data dgrams if all the devices on
+  the subnet are using the same port numbers for pcloud/imu data dgrams.
 * Consider using MAP_HUGEPAGE with both PcloudStimBuff::StagingBuffer
   and in the PcloudStimulusBuffer's ringbuff.
 * We should prolly call stream_descriptor::reset() after release()