Update guide.md to explain what is meant by 'TUI'.
The abbreviation TUI may be unfamilar to some potential users of GHCup. Unlike 'GUI' or 'CLI', a quick Google search is not immediately illuminating.
Edited by Mike Pilgrem
The abbreviation TUI may be unfamilar to some potential users of GHCup. Unlike 'GUI' or 'CLI', a quick Google search is not immediately illuminating.