moved storage option draft to its own folder

modules/nixos-modules/storage/submodules/dataset.nix

@@ -0,0 +1,3 @@
+{name, ...}: {
+  # TODO: we need to figure out what options a dataset can have in zfs
+}

modules/nixos-modules/storage/submodules/impermanenceDataset.nix

@@ -0,0 +1,46 @@
+{lib, ...}: let
+  pathPermissions = {
+    read = lib.mkEnableOption "should the path have read permissions";
+    write = lib.mkEnableOption "should the path have read permissions";
+    execute = lib.mkEnableOption "should the path have read permissions";
+  };
+  pathTypeSubmodule = {name, ...}: {
+    options = {
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+      };
+      owner = {
+        user = lib.mkOption {
+          type = lib.types.str;
+          default = "nouser";
+        };
+        permissions = pathPermissions;
+      };
+      group = {
+        group = lib.mkOption {
+          type = lib.types.str;
+          default = "nogroup";
+        };
+        permissions = pathPermissions;
+      };
+      other = {
+        permissions = pathPermissions;
+      };
+    };
+  };
+in {
+  imports = [
+    ./dataset.nix
+  ];
+  options = {
+    files = lib.types.mkOption {
+      type = lib.types.attrsOf (lib.types.submodule pathTypeSubmodule);
+      default = {};
+    };
+    directories = {
+      type = lib.types.attrsOf (lib.types.submodule pathTypeSubmodule);
+      default = {};
+    };
+  };
+}