Investigate integrating libghostty

[juliusmarminge]

xterm currently serves us well but should eventually look into exploring libghostty

https://x.com/mitchellh/status/2035382831237714422?s=46

[AllenThomasDev]

btw there is a drop-in replacement for xterm based on ghostty - https://github.com/coder/ghostty-web