Entry points
M-x vterm RET
(reuses the buffer named*vterm*if exists)M-x my-project-vterm RET(C-x p t)
(reuses the buffer named*$PROJECT-vterm*if exists)
M-x vterm RET *vterm* if exists)M-x my-project-vterm RET (C-x p t) *$PROJECT-vterm* if exists)