Add Makefile for managing Claude Code config symlinks

- Move commands, scripts, settings to repo root
- Add Makefile with install/uninstall/status targets
- Symlinks ~/.claude/* to this repo for version control
- Update documentation with setup instructions

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

commands/dashboard.md

@@ -0,0 +1,12 @@
+---
+description: Show dashboard of open issues, PRs awaiting review, and CI status.
+---
+
+# Repository Dashboard
+
+Run these commands and present a summary:
+
+1. **Open Issues**: `fj issue search -s open`
+2. **Open PRs**: `fj pr search -s open`
+
+Format as tables showing issue/PR number, title, and author.