Add the layer and configuration reference Documents all 21 layers of AnNoted, one page per themed block, with a screenshot of the actual assignment per layer and the reasoning behind each grouping. Covers the full configuration space: the two files and how they merge, lock triggers, on-screen keyboard, compose modules, hotkeys, one-handed mode, and layouts.json including its traps. The screenshots are generated from the layout sheet by tools/wiki-screenshots.py in the main repository. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Mdv3WQn9qv6XyhqjrfzZtN