FEAT: Show usage with `lms chat`

[arty-hlr]

Running lms chat --verbose should return usage info at least like in the GUI, like the stats shown when hovering over ?:

Example from ollama run MODEL --verbose:

[yagil]

Would make a good candidate for a first contribution to the repo, which we would very welcome

[arty-hlr]

I am really not familiar with javascript/typescript but I can have a look, the chat source file isn't that big. Probably depends on whether the lmstudio SDK supports returning those informations, I'll check.

[YorkieDev]

Should be solved by: https://github.com/lmstudio-ai/lms/pull/250