feat(cli): add lsp_proxy command to support stdin/stdout

[xiaoxin-sky]

Summary

Because Rome is not currently supported stdin/stdout ,so add lsp_prxy command to support this. Relevant #3420 With this command, most stdio/stdout-dependent editors(nvim,lapce...) will be able to access Rome more easily. Usage

rome lsp_proxy

Lapce support preview

here is the Lapce rome plugin(lapce-rome)

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🔨 Latest commit	3812c4584142306f1a38d14096f1c22b346827aa

[xiaoxin-sky]

Can you make the necessary changes in commands/help to list lsp-proxy when running rome --help and printing a detailed message when running rome lsp-proxy --help?

ok, I will change this code in later.

[MichaReiser]

Thank you so much for this contribution. This will help us a great deal when adding support for other editors and I'm looking forward to your lapce extension!