Add all of iogamaster modules

modules/nixos/system/time/default.nix

@@ -0,0 +1,17 @@
+{
+  options,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with lib.frajul; let
+  cfg = config.system.time;
+in {
+  options.system.time = with types; {
+    enable =
+      mkBoolOpt false "Whether or not to configure timezone information.";
+  };
+
+  config = mkIf cfg.enable {time.timeZone = "America/Denver";};
+}