Proposal: IEx hints

Rather than full text hints, could we create some knowledge base on the web?

So iex will just return the link to that knowledge base.

Enum.map([0, 1, 2], & &1 + 10)
'\n\v\f'

Hints: please visit https://elixir-lang.org/kb/45/ascii-char-in-single-quotes

With this kb, we can have better conversation when referring to hints.

“which hint are you talking about?”
“this one: https://elixir-lang.org/kb/110/genserver-call-and-cast

and if you want to update the hint, you could just update the kb on the web.

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