Add sos script for faster nixos-updates

This uses the remote builder as nix store, so the build dependencies for
the new system do not have to be present locally.
Therefore, if hydra built the system it should be possible to just
download the output derivation.

modules/home/suites/cli/default.nix

@@ -74,6 +74,7 @@ in
       ## My scripts
       frajul.edit-config
       frajul.lntocp
+      frajul.sos
     ];
   };
 }