[WIP] Add documentation for React Compiler features

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

Original prompt

React Compiler
Introduction

Learn what React Compiler does and how it automatically optimizes your React application by handling memoization for you, eliminating the need for manual useMemo, useCallback, and React.memo.

Installation

Get started with installing React Compiler and learn how to configure it with your build tools.

Incremental Adoption

Learn strategies for gradually adopting React Compiler in your existing codebase if you’re not ready to enable it everywhere yet.

Debugging and Troubleshooting

When things don’t work as expected, use our debugging guide to understand the difference between compiler errors and runtime issues, identify common breaking patterns, and follow a systematic debugging workflow.

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