Reorganize modules

modules/home-manager.nix

@@ -0,0 +1,13 @@
+{ pkgs, pkgsUnstable, ... }:
+
+{
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    extraSpecialArgs = {
+      inherit pkgsUnstable;
+    };
+
+    users.avravels = import home/home.nix;
+  };
+}