fix(emmylua_doc_cli): generate boolean literal

[phanen]

I'm using emmylua_doc_cli to generate docs for a nvim plugin.
This is a quick fix for missing boolean literal.

[gemini-code-assist]

Summary of Changes

Hello @phanen, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the emmylua_doc_cli utility by ensuring that boolean literal values are properly rendered when generating documentation. This fix improves the accuracy and completeness of the output, particularly for users documenting Neovim plugins or other Lua projects where boolean constants are used.

Highlights

• Boolean Literal Generation: The emmylua_doc_cli tool has been updated to correctly generate documentation for boolean literal constants, addressing a previously missing case in its rendering logic.

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[gemini-code-assist]

Code Review

This pull request adds support for generating boolean literals in emmylua_doc_cli. The change is straightforward, adding a new case for LuaType::BooleanConst in the render_const function. However, the implementation seems incomplete as it misses the LuaType::DocBooleanConst variant. I've added a suggestion to include it for consistency and correctness, similar to how other constant types are handled.

[gemini-code-assist]

This is a good addition, but it seems to be incomplete. The LuaType enum also has a DocBooleanConst variant, which should probably be handled here as well, similar to how DocIntegerConst and DocStringConst are handled in the same function.

Suggested change

	LuaType::BooleanConst(b) => Some(b.to_string()),
	LuaType::BooleanConst(b) | LuaType::DocBooleanConst(b) => Some(b.to_string()),