Migrate aspi host config

hosts/common/optional/redshift.nix

@@ -0,0 +1,15 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+
+  # Set location used by redshift
+  location.provider = "manual";
+  location.latitude = 47.92;
+  location.longitude = 10.12;
+  services.redshift.enable = true;
+}