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/review-pr.md

@@ -0,0 +1,18 @@
+---
+description: Review a Forgejo pull request. Fetches PR details, diff, and comments.
+argument-hint: <pr-number>
+---
+
+# Review PR #$1
+
+1. **View PR details**: `fj pr view $1`
+2. **Check status**: `fj pr status $1`
+3. **Get the diff**: `fj pr view $1 diff`
+
+Review the changes and provide feedback on:
+- Code quality
+- Potential bugs
+- Test coverage
+- Documentation
+
+Ask the user if they want to approve, request changes, or comment.