chore(📚): minor doc update (#3272)

Author: wcandillon

apps/docs/docs/snapshot-views.md

@@ -16,9 +16,9 @@ If the view is optimized away, `makeImageFromView` will crash or return the wron
 
 ::::info
 
+### Example
 
-
-```tsx
+```tsx twoslash
 import { useState, useRef } from "react";
 import { View, Text, PixelRatio, StyleSheet, Pressable } from "react-native";
 import type { SkImage } from "@shopify/react-native-skia";

packages/skia/src/skia/core/Image.ts

@@ -29,6 +29,7 @@ export const makeImageFromView = <
     | number
     | React.Component<unknown, unknown>
     | React.ComponentClass<unknown>
+    | null
 >(
   viewRef: React.RefObject<T>,
   callback: