Fix links for Redis backup doc

Signed-off-by: Neaj Morshad <[email protected]>

docs/guides/redis/backup/kubestash/logical/index.md

@@ -395,7 +395,7 @@ spec:
 Let's create the `BackupConfiguration` CR that we have shown above,
 
 ```bash
-$ kubectl apply -f https://github.com/kubedb/docs/raw/{{< param "info.version" >}}/docs/guides/redis/kubestash/logical/examples/backupconfiguration.yaml
+$ kubectl apply -f https://github.com/kubedb/docs/raw/{{< param "info.version" >}}/docs/guides/redis/backup/kubestash/logical/examples/backupconfiguration.yaml
 backupconfiguration.core.kubestash.com/redis-cluster-backup created
 ```