docs: add note about mayastor nvme_tcp init container check

The Mayastor helm chart ships with an init container that won't mount /sys and runs lsmod.
Add a note in the guide as this is not obvious.

Signed-off-by: Syoc <Syoc@users.noreply.github.com>
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>

website/content/v1.8/kubernetes-guides/configuration/storage.md

@@ -120,6 +120,10 @@ talosctl -n <node ip> service kubelet restart
 
 Continue setting up [Mayastor](https://mayastor.gitbook.io/introduction/quickstart/deploy-mayastor) using the official documentation.
 
+> Note: The Mayastor helm chart uses an init container that checks for the `nvme_tcp` module.
+> It does not mount `/sys` and will not be able to find it.
+> Easiest solution is to disable the init container.
+
 ### Piraeus / LINSTOR
 
 * [Piraeus-Operator](https://piraeus.io/)