Website: Support for llms.txt

[khajavi]

RFC

Proposal

Add an /llms.txt file to the project.

When working with coding agents (e.g., AI-assisted development tools), an /llms.txt file can help them quickly understand Flue's purpose, architecture, conventions, and documentation, leading to more accurate code suggestions and contributions.

More information about the specification: https://llmstxt.org/