docs: generate llms.txt and llms-full.txt via mkdocs-llmstxt plugin

[MaStr]

Summary

• Adds the mkdocs-llmstxt plugin which generates /llms.txt and /llms-full.txt automatically during each MkDocs build
• llms.txt follows the llmstxt.org standard: project summary + curated links to all documentation pages with descriptions
• llms-full.txt contains the full content of all linked pages expanded inline
• Both files are served via GitHub Pages at https://mastr.github.io/batcontrol/llms.txt and .../llms-full.txt
• Links to both files added to the docs index page

Changes

• mkdocs.yml — plugin configured with project description and all doc sections
• pyproject.toml — mkdocs-llmstxt added to [docs] optional dependencies
• .github/workflows/docs.yml — plugin added to pip install step
• docs/index.md — links to llms.txt and llms-full.txt added at the bottom

Test plan

• CI docs build passes
• After merge: https://mastr.github.io/batcontrol/llms.txt and llms-full.txt are reachable
• Links on the docs index page resolve correctly

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR integrates the mkdocs-llmstxt MkDocs plugin into the documentation build so the published GitHub Pages site automatically exposes /llms.txt and /llms-full.txt for LLM-friendly consumption, and adds links to those artifacts from the docs homepage.

Changes:

• Add and configure the llmstxt MkDocs plugin to generate llms.txt and llms-full.txt during site builds.
• Add mkdocs-llmstxt to the docs optional dependencies and install it in the GitHub Pages docs workflow.
• Add homepage links pointing to the generated llms.txt and llms-full.txt outputs.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
pyproject.toml	Adds mkdocs-llmstxt to the [docs] optional dependency set.
mkdocs.yml	Configures the llmstxt plugin (description, sections, and full output).
docs/index.md	Adds links to the generated LLM-oriented documentation artifacts.
.github/workflows/docs.yml	Installs the plugin during the Pages build so mkdocs build can run with the new config.

[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.