split locale into seperate module & import it on kidney

hosts/default.nix

@@ -43,6 +43,7 @@ in {
         (modulePaths [
           "core/tools.nix"
           "core/users.nix"
+          "core/locale.nix"
 
           "programs/tools.nix"
           "programs/zsh.nix"

system/core/default.nix

@@ -3,17 +3,8 @@
     ./security.nix
     ./users.nix
     ./ssh.nix
+    ./locale.nix
     ../nix
     ../programs/zsh.nix
   ];
-
-  i18n = {
-    defaultLocale = "en_US.UTF-8";
-    supportedLocales = [
-      "en_US.UTF-8/UTF-8"
-    ];
-  };
-  services.xserver.xkb.layout = "eu";
-
-  time.timeZone = lib.mkDefault "Europe/Berlin";
 }

system/core/locale.nix

@@ -0,0 +1,11 @@
+{lib, ...}: {
+  i18n = {
+    defaultLocale = "en_US.UTF-8";
+    supportedLocales = [
+      "en_US.UTF-8/UTF-8"
+    ];
+  };
+  services.xserver.xkb.layout = "eu";
+
+  time.timeZone = lib.mkDefault "Europe/Berlin";
+}