Setup inspector client, server package

## 🧩 Summary

- patchlogr client, server 패키지 초기 설정

## 📦 Scope


- [x] @patchlogr/core
- [ ] @patchlogr/cli
- [x] @patchlogr/inspector
- [x] docs, examples
- [ ] tests
- [x] ci / infra
- [ ] other (아래에 명시)