add amd and nvidia gpu stats in a metrics bar

[BBC-Esq]

https://github.com/mark9064/pyamdgpuinfo

https://github.com/BBC-Esq/VectorDB-Plugin-for-LM-Studio/blob/main/src/metrics_bar.py

And possibly just use libre hardware monitor itself for all three major vendors...plus additional metrics:

https://github.com/LibreHardwareMonitor/LibreHardwareMonitor/tree/master/LibreHardwareMonitorLib