init: flake scaffold

.gitignore

@@ -0,0 +1,15 @@
+# nix
+result
+result-*
+
+# node / astro
+node_modules/
+dist/
+.astro/
+
+# env
+.env
+.env.*
+
+# os
+.DS_Store

flake.nix

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+{
+  description = "personal website";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          packages = with pkgs; [
+            nodejs_22
+            nodePackages.pnpm
+          ];
+        };
+      }
+    );
+}