Update example in rs-configuration.md

Align example with best practices - use "aio:///dev..." instead of "/dev/..."

Signed-off-by: jelle <jelle@jelle.cyou>

Author: jcjveraa

docs/versioned_docs/version-4.1.x/user-guides/replicated-storage-user-guide/replicated-pv-mayastor/rs-configuration.md

@@ -64,7 +64,7 @@ metadata:
   namespace: openebs
 spec:
   node: workernode-1-hostname
-  disks: ["/dev/disk/by-id/<id>"]
+  disks: ["aio:///dev/disk/by-id/<id>"]
 EOF
 ```
 
@@ -83,7 +83,7 @@ metadata:
   namespace: openebs
 spec:
   node: workernode-1-hostname
-  disks: ["/dev/disk/by-id/<id>"]
+  disks: ["aio:///dev/disk/by-id/<id>"]
   topology:
     labelled:
       topology-key: topology-value
@@ -518,4 +518,4 @@ This option needs to be set to true when using a `btrfs` filesystem, if the appl
 ## See Also
 
 - [Installation](../../../quickstart-guide/installation.md)
-- [Deploy an Application](../replicated-pv-mayastor/rs-deployment.md)
+- [Deploy an Application](../replicated-pv-mayastor/rs-deployment.md)