[docs] Add React Suspense panel to React Native DevTools guide

docs/react-native-devtools.md

@@ -136,7 +136,7 @@ The Memory panel allows you to take a heap snapshot and view the memory usage of
 
 ## React DevTools features
 
-In the integrated Components and Profiler panels, you'll find all the features of the [React DevTools](https://react.dev/learn/react-developer-tools) browser extension. These work seamlessly in React Native DevTools.
+In the integrated Components, Profiler, and Suspense panels, you'll find all the features of the [React DevTools](https://react.dev/learn/react-developer-tools) browser extension. These work seamlessly in React Native DevTools.
 
 ### React Components
 
@@ -172,6 +172,15 @@ The React Profiler panel allows you to record performance profiles to understand
 
 For more info, see the [original 2018 guide](https://legacy.reactjs.org/blog/2018/09/10/introducing-the-react-profiler.html#reading-performance-data) (note that parts of this may be outdated).
 
+### React Suspense <div className="label primary">Since 0.90</div>
+
+![Selecting a Suspense boundary in the React Suspense panel, alongside a device](/docs/assets/debugging-rndt-react-suspense.jpg)
+
+The React Suspense panel allows you to inspect the [`<Suspense>`](https://react.dev/reference/react/Suspense) boundaries in your app, and see what caused each one to suspend.
+
+- The boundary map lays out each boundary as it appears on screen, and the timeline below it steps through the order in which they revealed their content.
+- Select a boundary to see what it was suspended by, such as a `React.lazy()` component or a promise read with `use()`.
+
 ## Reconnecting DevTools
 
 Occasionally, DevTools might disconnect from the target device. This can happen if: