Move options to seperate modules so they can be shared between home manager and nixos

modules/options/backup.nix

@@ -0,0 +1,55 @@
+
+{ pkgs
+, lib
+, config
+, ...
+}:
+
+with lib;
+{
+    options.simmer.backup = {
+        enable = mkOption {
+            description = "Whether backups should be enabled";
+            type = types.bool;
+            default = false;
+        };
+
+        repo = mkOption {
+            description = "Which repository to backup to";
+            type = types.str;
+        };
+
+        paths = mkOption {
+            description = "Which paths to backup";
+            type = types.listOf types.str;
+        };
+
+        user = mkOption {
+            description = "Which user to run backup commands with";
+            type = types.str;
+            default = "root";
+        };
+
+        excludes = mkOption {
+            description = "Which directories to exclude";
+            type = types.listOf types.str;
+            default = [];
+        };
+
+        passphrase = mkOption {
+            description = "Path to file containing passphrase";
+            type = types.path;
+        };
+
+        key = mkOption {
+            description = "Path to file containing SSH Key";
+            type = types.path;
+        };
+
+        repeat = mkOption {
+            description = "How often to run the backup (hourly, daily, weekly)";
+            type = types.enum [ "hourly" "daily" "weekly" ];
+        };
+
+    };
+}