refactor: reorganize features

modules/capabilities/locale-nl.nix

@@ -0,0 +1,22 @@
+{ ... }:
+{
+  flake.modules.nixos.locale-nl = {
+    time.timeZone = "Europe/Amsterdam";
+
+    i18n.defaultLocale = "en_US.UTF-8";
+    i18n.extraLocaleSettings = {
+      LC_MEASUREMENT = "nl_NL.UTF-8";
+      LC_PAPER = "nl_NL.UTF-8";
+      LC_ADDRESS = "nl_NL.UTF-8";
+      LC_TELEPHONE = "nl_NL.UTF-8";
+      LC_NAME = "nl_NL.UTF-8";
+
+      # Use '.' as decimal point and ',' as thouands separator
+      LC_NUMERIC = "en_IE.UTF-8";
+      LC_MONETARY = "en_IE.UTF-8";
+
+      # English day and month names, YYYY-MM-DD format
+      LC_TIME = "en_IE.UTF-8";
+    };
+  };
+}