docs: Add initial docs on how to use node local storage
This adds basic documentation on how to use node local storage using
local persistent volumes in filesystem mode.
Other sections are mentioned, although empty for now, on other ways to
use it that we may want to expand later.
@@ -4,3 +4,4 @@ Lokomotive clusters offer several advanced features for skilled users.
* [Customization](customization.md)
* [Worker Pools](worker-pools.md)
+* [Node Local Storage](node-local-storage.md)
