Add comprehensive documentation for the bd setup command which was
largely undocumented (GH#518):
- CLI_REFERENCE.md: Add new "Editor Integration" section documenting
bd setup claude/cursor/aider commands with all flags
- INSTALLING.md: Fix incorrect reference to "bd hooks install" for
editor integration - should be "bd setup <editor>"
- CLAUDE_INTEGRATION.md: Add Installation section with bd setup claude
examples
Fixes: GH#518
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Steve Yegge
39a58fd085