[RFC]: add support for displaying suggested corrections in the REPL

[kgryte]

Description

This RFC proposes adding support for displaying suggested corrections in the REPL when a user enters an identifier which does not exist. This functionality would be similar to what is offered by Julia and discussed in https://github.com/JuliaLang/julia/issues/28347.

For example, currently, when a user enters an undefined identifier

In [1]: base.abbs( -1.0 )
Error: base.abbs is not a function

This RFC proposes extending this to do something along the lines of

In [1]: base.abbs( -1.0 )
Error: base.abbs is not a function

Perhaps you meant base.abs, base.abs2, ...

There may be other UI options, and we could, similar to Julia, provide suggestions when a user provides an unknown name to help() (or other similar built-in REPL commands).

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Checklist

• [X] I have read and understood the Code of Conduct.
• [X] Searched for existing issues and pull requests.
• [X] The issue name begins with RFC:.