hosts/sarien: split up

modules/stylix: change wallpaper

Signed-off-by: unexplrd <unexplrd@linerds.us>

hosts/sarien/nix/common.nix

@@ -0,0 +1,11 @@
+{pkgs, ...}: {
+  nix = {
+    package = pkgs.lixPackageSets.latest.lix;
+    channel.enable = false;
+    daemonCPUSchedPolicy = "idle";
+    settings = {
+      experimental-features = ["nix-command" "flakes"];
+      builders-use-substitutes = true;
+    };
+  };
+}