Add script for generating llms.txt

[szymonrybczak]

What

Adds a script that generates llms.txt - a single file containing all React Native documentation in a format optimized for LLMs. The file is generated during the website build process.

Why

• Makes it easier for LLMs to understand and reference React Native documentation
• Provides a single, clean source of truth for documentation
• Helps LLMs give more accurate and up-to-date answers about React Native

How

• New script scripts/generate-llms-txt.js that:
  • Parses sidebar config
  • Validates all doc URLs
  • Generates a clean markdown file
• Added to build process
• Added to .gitignore

Testing

• Verified all URLs are valid
• Checked generated markdown structure
• Tested build process

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[Simek]

This is a good start! 👌 Left few comments and suggestions above.

Can we also include in list Contributing and Community sections content? Since you already have a way to read and covert sidebar data, it should be matter of concatenation of multiple outputs.

[szymonrybczak]

Can we also include in list Contributing and Community sections content? Since you already have a way to read and covert sidebar data, it should be matter of concatenation of multiple outputs.

It required more changes that I initially expected, but I managed to combine all of them (also included the architecture one) 👍

[Simek]

Thanks for all of the updates! Tested the latest version locally, looks great! 👍

Few last cleanup nits below, let's address those before shipping.

[szymonrybczak]

@Simek fixed! Should be g2g now 🫡

[slorber]

Hey

Is providing a llms.txt that useful? Any crawler/LLM use that already?

Considering people are implementing this, I was wondering if it's worth creating an official Docusaurus plugin

[szymonrybczak]

hey @slorber, I think it's becoming kind of standard, and the most popular standard so far.

Considering people are implementing this, I was wondering if it's worth creating an official Docusaurus plugin

That'd be really cool to automate this kind of stuff. For example Docusaurus already did a official plugin for it: web-infra-dev/rspress#2034

[slorber]

I reopened our repo issue since if we don't provide this, it seems that every docs will implement their own anyway 😅

facebook/docusaurus#10899