Enable nushell by default

homes/aarch64-darwin/yadunut@yadunut-mbp/default.nix

@@ -5,6 +5,20 @@
   ...
 }:
 {
+
+  nix = {
+    package = pkgs.nix;
+    settings = {
+      substituters = [
+        "https://nix-community.cachix.org"
+        "https://cache.nixos.org"
+      ];
+      trusted-public-keys = [
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      ];
+    };
+  };
   home.packages = [
     # pkgs.dive
     pkgs.entr
@@ -13,6 +27,8 @@
     pkgs.rsync
     pkgs.claude-code
     pkgs.dive
+    pkgs.cachix
+    pkgs.ouch
   ];
 
   home.sessionVariables = {
@@ -27,7 +43,7 @@
   ];
 
   zsh.enable = true;
-  nushell.enable = false;
+  nushell.enable = true;
   neovim.enable = true;
   git = {
     enable = true;

homes/x86_64-linux/yadunut@penguin/default.nix

@@ -14,6 +14,7 @@
     signingKey = "~/.ssh/id_ed25519.pub";
   };
   zsh.enable = true;
+  nushell.enable = true;
   neovim.enable = true;
 
   services = {