Refactor modules/features a bit

clusters/k1/cluster.nix

@@ -1,7 +1,7 @@
 { pkgs, lib, config, ... }:
 with lib;
 let
-  cfg = config.features.k8s.host;
+  cfg = config.features.host;
 
   mkSANs = host: [
     host.name
@@ -96,6 +96,16 @@ let
       address = cfg.address;
     };
 
+    fileSystems = {
+      "/vol/local-storage/vol1" = {
+        device = "/vol/vol1";
+        options = [ "bind" ];
+      };
+      "/vol/local-storage/vol2" = {
+        device = "/vol/vol2";
+        options = [ "bind" ];
+      };
+    };
   };
 in {
   config = configuration;