docs: add plugin-react-swc to official plugins list (#11292)

docs/plugins/index.md

@@ -18,7 +18,11 @@ Check out [Using Plugins](../guide/using-plugins) for information on how to use
 
 ### [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/tree/main/packages/plugin-react)
 
-- Provides all-in-one React Support.
+- Uses esbuild and Babel, achieving fast HMR with a small package footprint and the flexibility of being able to use the Babel transform pipeline.
+
+### [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react-swc)
+
+- Uses esbuild during build, but replaces Babel with SWC during development. For big projects that don't require non-standard React extensions, cold start and Hot Module Replacement (HMR) can be significantly faster.
 
 ### [@vitejs/plugin-legacy](https://github.com/vitejs/vite/tree/main/packages/plugin-legacy)