* Port the nxterm demo from Microwindows
* Starts the Nano-X server as a separate task before connecting
* Runs an NSH shell instance on a pseudo terminal in the spwaned child
instead of exec /bin/sh (no filesystem binaries in flat builds)
Assisted-by: OpenCode:DeepSeek-V4-Flash
Signed-off-by: Acfboy <AcfboyU@outlook.com>