docs(share-single): document that error is thrown when sheet is closed (

#1292)

As the title states, this small doc change would have saved me from the issue I raised in #1291

Totally flexible about the wording or arrangement, I think it's just important to mention somewhere in the docs that closing the sheet throws an error.

website/docs/share-single.mdx

@@ -41,6 +41,16 @@ Or with `async/await`:
   }
 ```
 
+*Note that in the case of a user closing the share sheet without sharing, an error will be thrown. It is up to you to handle this error, i.e.:
+
+```js
+   try {
+       const shareResponse = await Share.shareSingle(shareOptions);
+   } catch (error) {
+       // handle error
+   }
+```
+
 ## Supported Options
 
 You can pass the option that will be handled by the native code, similar to `Share.open`.