[Feature Request] - Access to Serial output via TCP/IP #813

After flashing ESP32 it is not possible to see Nerminer status via a Web Interface due to CPU limitations. However when it is connected to USB data cable it is possible to watch serial output which is helpful for troubleshooting.

Make it possible to connect via Telnet and watch the same serial output to find out if the miner is working as expected. The process to run telnet server and pipe the serial output to this session should not be as near as CPU intensive as a web server running.
This feature would help a lot on remote troubleshooting making unnecessary to remove the miner from its position and connect back to a PC and USB cables.

Additionally (and optionally) if possible once logged via telnet there could be an command to stop the mining process and enable web interface in order to adjust settings or run a firmware upgrade if necessary.