Added Nix Development Shell (nix develop)

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1748190013,
+        "narHash": "sha256-R5HJFflOfsP5FBtk+zE8FpL8uqE7n62jqOsADvVshhE=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "62b852f6c6742134ade1abdd2a21685fd617a291",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,30 @@
+{
+  description = "A Nix-flake-based Hugo development environment";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self , nixpkgs ,... }: let
+    system = "x86_64-linux";
+  in {
+    devShells."${system}".default = let
+      pkgs = import nixpkgs {
+        inherit system;
+      };
+    in pkgs.mkShell {
+      # create an environment with nodejs_18, pnpm, and yarn
+      packages = with pkgs; [
+        nodejs_24
+        nodePackages.pnpm
+        (yarn.override { nodejs = nodejs_24; })
+        hugo
+        rsync
+      ];
+
+      shellHook = ''
+        echo "node `node --version`"
+      '';
+    };
+  };
+}