Update electron-squirrel-startup link

The currently link points to a non-existent page.  I'm pointing it to another link that seems to be appropriate, but I'm not positive.
If someone else knows that this is the correct place to link that would be nice to hear.

docs/api/auto-updater.md

@@ -40,7 +40,7 @@ On Windows, you have to install your app into a user's machine before you can
 use the `autoUpdater`, so it is recommended that you use the
 [electron-winstaller][installer-lib], [electron-builder][electron-builder-lib] or the [grunt-electron-installer][installer] package to generate a Windows installer.
 
-When using [electron-winstaller][installer-lib] or [electron-builder][electron-builder-lib] make sure you do not try to update your app [the first time it runs](https://github.com/electron/windows-installer#handling-squirrel-events) (Also see [this issue for more info](https://github.com/electron/electron/issues/7155)). It's also recommended to use [electron-squirrel-startup](electron-squirrel-startup) to get desktop shortcuts for your app.
+When using [electron-winstaller][installer-lib] or [electron-builder][electron-builder-lib] make sure you do not try to update your app [the first time it runs](https://github.com/electron/windows-installer#handling-squirrel-events) (Also see [this issue for more info](https://github.com/electron/electron/issues/7155)). It's also recommended to use [electron-squirrel-startup](https://github.com/mongodb-js/electron-squirrel-startup) to get desktop shortcuts for your app.
 
 The installer generated with Squirrel will create a shortcut icon with an
 [Application User Model ID][app-user-model-id] in the format of