[UI Suggestion] In-Game Hotkey Reference

[pl_upward]

To echo the subject, OpenTTD should have an in-game hotkey reference. Hotkeys can be extremely useful, but I find a lot of my friends who are newer to the game struggle to understand/remember them. I think having an in-game window as a reference could help, as well as possibly being able to change them in-game without having to open the hotkeys config file.