Jo

and support "stop generating"

@jglwiz Thanks for the advice, will consider making colors configurable.

@shmilee good idea, thanks for the advice!

I believe this may not be workable. Using `tail some.log | chatgpt` would redirect the input to chatgpt from a pipe rather than a terminal. However, an interactive session requires...

Actually in vim we can do this `echo hello | vim -`, so this could be feasible.