chore: Added nix flake

flake.nix

@@ -0,0 +1,49 @@
+{
+  description = "dev env flake";
+
+  # Flake inputs
+  inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1"; # unstable Nixpkgs
+
+  # Flake outputs
+  outputs = {self, ...} @ inputs: let
+    # The systems supported for this flake
+    supportedSystems = [
+      "x86_64-linux" # 64-bit Intel/AMD Linux
+      "aarch64-linux" # 64-bit ARM Linux
+      "x86_64-darwin" # 64-bit Intel macOS
+      "aarch64-darwin" # 64-bit ARM macOS
+    ];
+
+    # Helper to provide system-specific attributes
+    forEachSupportedSystem = f:
+      inputs.nixpkgs.lib.genAttrs supportedSystems (
+        system:
+          f {
+            pkgs = import inputs.nixpkgs {inherit system;};
+          }
+      );
+  in {
+    devShells = forEachSupportedSystem (
+      {pkgs}: {
+        default = pkgs.mkShellNoCC {
+          # The Nix packages provided in the environment
+          # Add any you need here
+          packages = with pkgs; [
+            go-task
+
+            go
+            hugo
+
+            nodejs
+          ];
+
+          # Set any environment variables for your dev shell
+          env = {};
+
+          # Add any shell logic you want executed any time the environment is activated
+          shellHook = '''';
+        };
+      }
+    );
+  };
+}