Add basic theme config

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

users/configs/theme/default.nix

@@ -0,0 +1,8 @@
+{ user ? throw "user argument is required" }: { pkgs, ... }:
+
+{
+  home-manager.users."${user.name}" = {
+    theme.enable = true;
+    home.persistence."/persist${user.home}".directories = [ ".config/theme" ];
+  };
+}