DOCSP-22932 Realm redirect (#196)

* added Realm redirect

Author: kyuan-mongodb

config/redirects

@@ -10,3 +10,4 @@ raw: docs/guides/cloud/fts-stitch-sample-app -> https://developer.mongodb.com/ho
 raw: docs/tutorials/cloud/atlas-search-stitch-sample-app -> https://developer.mongodb.com/how-to/build-movie-search-application/
 raw: docs/guides/cloud/atlas-search-stitch-sample-app -> https://developer.mongodb.com/how-to/build-movie-search-application/
 raw: docs/tutorials/deploy-mongodb-with-cloud-manager -> https://www.mongodb.com/docs/cloud-manager/tutorial/nav/manage-hosts/
+raw: docs/guides/realm/react-web-quickstart/ -> https://www.mongodb.com/docs/realm/tutorial/ios-swift/