v31.24.0

• CSS advanced attr() #196
• Add Configuration section into README.md #233
• Add index.md as Markdown alternative for LLMs #240
• Add AGENTS.md for AI coding guidelines #241
• Add llms.txt support for LLMs content discovery #239
• Use alpha() CSS Function to simplify Relative Color Syntax #236
• Add color_scheme_dark member in webmanifest #243

What's Changed

• 242 v31240 by @czerkies in #244

Full Changelog: v31.23.0...v31.24.0