new nixos dotfile layout

Signed-off-by: Michał Czyż <mike@c2yz.com>

modules/home-manager/default.nix

@@ -1,6 +0,0 @@
-# Add your reusable home-manager modules to this directory, on their own file (https://nixos.wiki/wiki/Module).
-# These should be stuff you would like to share with others, not your personal configurations.
-{
-  # List your module files here
-  # my-module = import ./my-module.nix;
-}