docs: update quick-start.md (#30133)

Change app-quit link definition, so both window-all-closed and app-quit redirects to appropriate sites.

Co-authored-by: Davenury <[email protected]>

docs/tutorial/quick-start.md

@@ -223,7 +223,7 @@ app.on('window-all-closed', function () {
 
 [node-platform]: https://nodejs.org/api/process.html#process_process_platform
 [window-all-closed]: ../api/app.md#event-window-all-closed
-[window-all-closed]: ../api/app.md#appquit
+[app-quit]: ../api/app.md#appquit
 
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