Demo of introducing x-cmd into TCSH

[edwinjhlee]

Hello, friends in csh community,

I am introducing x-cmd to tcsh.

This is the related source code:
https://github.com/x-cmd/x-cmd/blob/v0.3.11/mod/tcsh/lib/rc/rc.tcsh

This is the demo for tcsh in our website.
Notice it is only prelimilary support in tcsh.

https://x-cmd.com/mod/tcsh

Thanks for your attention.