moved storage option draft to its own folder

modules/nixos-modules/storage/zfs.nix

@@ -0,0 +1,67 @@
+args @ {lib, ...}: let
+  datasetSubmodule = (import ./submodules/dataset.nix) args;
+in {
+  options.storage = {
+    zfs = {
+      # TODO: enable option implementation
+      enable = lib.mkEnableOption "Should zfs be enabled on this system.";
+
+      notifications = {
+        enable = lib.mkEnableOption "are notifications enabled";
+        host = lib.mkOption {
+          type = lib.types.str;
+          description = "what is the host that we are going to send the email to";
+        };
+        port = lib.mkOption {
+          type = lib.types.port;
+          description = "what port is the host using to receive mail on";
+        };
+        to = lib.mkOption {
+          type = lib.types.str;
+          description = "what account is the email going to be sent to";
+        };
+        user = lib.mkOption {
+          type = lib.types.str;
+          description = "what user is the email going to be set from";
+        };
+        tokenFile = lib.mkOption {
+          type = lib.types.str;
+          description = "file containing the password to be used by msmtp for notifications";
+        };
+      };
+
+      # TODO: we need options to configure zfs pools
+      #   we should have warnings when the configured pool is missing drives after activation
+      # TODO: implementation of this
+      # TODO: validations that we have at least one boot drive
+      pool = let
+        deviceType =
+          lib.types.coercedTo lib.types.str (device: {
+            device = device;
+            boot = false;
+          }) {
+            device = lib.mkOption {
+              type = lib.types.str;
+            };
+            boot = lib.mkEnableOption "should this device be a boot device";
+          };
+      in {
+        encryption = lib.mkEnableOption "Should encryption be enabled on this pool.";
+        vdevs = lib.mkOption {
+          type = lib.types.listOf deviceType;
+          default = [];
+        };
+        cache = lib.mkOption {
+          type = lib.types.attrsOf deviceType;
+        };
+      };
+
+      # TODO:create the root dataset automatically
+      # TODO: dataset option that is a submodule that adds datasets to the system
+      #   warnings for when a dataset was created in the past on a system but it is now missing some of the options defined for it
+      datasets = lib.mkOption {
+        type = lib.types.attrsOf (lib.types.submodule datasetSubmodule);
+      };
+    };
+  };
+}