Install a RN Performance Optimization Manual for AI Assistant with react-native-best-practices

Callstack split the RN performance e-book into Agent Skill react-native-best-practices, which covers FPS, TTI, package volume, memory and native modules. This article is verified against the official SKILL.md and the repository README: 29 references cover how to triage, how to install the skills CLI, as well as list virtualization, React DevTools measurement and the usage of Android R8. The core is to measure before making changes.