feat: helix updates

flake.nix

@@ -8,6 +8,10 @@
     };
     devenv.url = "github:cachix/devenv";
     flake-parts.follows = "lux-pkgs/flake-parts";
+    helix = {
+      url = "github:helix-editor/helix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";