[Beta] Remove `useEvent` link (#5035)

* [Beta] Remove `useEvent` link

* [Beta] Add `useEvent` stub page

* [Beta] Update `useEvent` description

* Update useEvent.md

* Alphabetical

Co-authored-by: dan <dan.abramov@gmail.com>

beta/src/content/apis/react/useEvent.md

@@ -0,0 +1,22 @@
+---
+title: useEvent
+---
+
+<Wip>
+
+This section is incomplete, please see the RFC doc for [useEvent](https://github.com/reactjs/rfcs/blob/useevent/text/0000-useevent.md).
+
+</Wip>
+
+
+<Intro>
+
+`useEvent` is a React Hook that lets you extract non-reactive Effect logic into an [Event function.](/learn/separating-events-from-effects#declaring-an-event-function)
+
+```js
+useEvent(callback)
+```
+
+</Intro>
+
+<InlineToc />

beta/src/content/learn/separating-events-from-effects.md

@@ -394,7 +394,7 @@ In other words, you *don't* want this line to be reactive, even though it is ins
       // ...
       showNotification('Connected!', theme);
       // ...
-````
+```
 
 You need a way to separate this non-reactive logic from the reactive Effect around it.
 

beta/src/sidebarReference.json

@@ -113,6 +113,11 @@
               "path": "/apis/react/useEffect",
               "wip": true
             },
+            {
+              "title": "useEvent",
+              "path": "/apis/react/useEvent",
+              "wip": true
+            },
             {
               "title": "useId",
               "path": "/apis/react/useId",