- Moved 20 root-level markdown files to readmes/
- Includes COMMANDS.md, CONFIG_README.md, all UNO docs, all completion reports
- Added new: MEMORY_EDITOR_FEATURE.md, MEMORY_EDITOR_ESCAPING_FIX.md,
CONFIG_SOURCES_ANALYSIS.md, MCP_TOOL_CALLING_ANALYSIS.md, and others
- Root directory is now clean of documentation clutter
