bug#43709: minibuffer keybinding cheatsheet and launcher [CODE SUBMISSION]

[Boruch Baum]

If you've ever used packages such as `ivy' or `magit', you've probably
benefited from each's custom combination keybinding cheatsheet and
launcher: `hydra' in the case of `ivy', and `transient' for `magit'. The
attached package `key-assist' attempts to offer a generic and very
simple alternative requiring only the `completing-read' function
commonly used in core vanilla emacs. `key-assist' is trivial to
implement "on-the-fly" interactively for any buffer, and
programmatically much simpler to customize that either `hydra' or
`transient'. And did I mention that it only requires `completing-read'?

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key-assist.el
Description: Text document