base/chrony: split chrony into separate module

base/base.nix

@@ -28,6 +28,7 @@ in
 
   imports = [
     ./borg-config.nix
+    ./chrony.nix
     ./grafana-alloy.nix
     ./maintenance.nix
     ./network.nix

base/chrony.nix

@@ -0,0 +1,32 @@
+# Module: base/chrony
+{
+  config,
+  lib,
+  pkgs,
+  pkgsUnstable,
+  inputs,
+  options,
+  ...
+}:
+
+with lib;
+
+let
+  cfg = config.chrony;
+in
+{
+  options.network = {
+  };
+
+  config = {
+    environment.systemPackages = [
+      pkgs.chrony
+    ];
+
+    services.chrony = {
+      enable = true;
+      enableNTS = true;
+      serverOption = "iburst";
+    };
+  };
+}

base/network.nix

@@ -32,10 +32,6 @@ in
   };
 
   config = {
-    environment.systemPackages = [
-      pkgs.chrony
-    ];
-
     services.tailscale = {
       enable = true;
       package = pkgsUnstable.tailscale;
@@ -67,11 +63,5 @@ in
       '';
       dnsovertls = "false";
     };
-
-    services.chrony = {
-      enable = true;
-      enableNTS = true;
-      serverOption = "iburst";
-    };
   };
 }