updated zsh with devenv

flake.nix

@@ -4,10 +4,11 @@
   outputs = inputs: inputs.flake-parts.lib.mkFlake { inherit inputs; } (inputs.import-tree ./modules);
 
   inputs = {
+    devenv.url = "github:cachix/devenv";
     flake-file.url = "github:vic/flake-file";
     flake-parts = {
       url = "github:hercules-ci/flake-parts";
-      inputs.nixpkgs-lib.follows = "nixpkgs-lib";
+      inputs.nixpkgs-lib.follows = "nixpkgs";
     };
     home-manager.url = "github:nix-community/home-manager";
     import-tree.url = "github:vic/import-tree";
@@ -20,7 +21,6 @@
       flake = false;
     };
     nixpkgs.url = "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz";
-    nixpkgs-lib.follows = "nixpkgs";
     nvf = {
       url = "github:notashelf/nvf";
       inputs.nixpkgs.follows = "nixpkgs";