feat: added deployment flow

nix/package.nix

@@ -0,0 +1,47 @@
+{
+  lib,
+  stdenv,
+  nodejs_latest,
+  pnpm_10,
+  fetchPnpmDeps,
+  pnpmConfigHook,
+}: let
+  nodejs = nodejs_latest;
+  pnpm = pnpm_10;
+in
+  stdenv.mkDerivation (finalAttrs: {
+    pname = "volpe";
+    version = "1.0.0";
+
+    src = lib.cleanSource ./..;
+
+    nativeBuildInputs = [
+      nodejs
+      pnpm
+      pnpmConfigHook
+    ];
+
+    # fetchPnpmDeps creates the offline store
+    pnpmDeps = fetchPnpmDeps {
+      inherit (finalAttrs) pname version src;
+      hash = "sha256-AiyDVGSxlfdqzuei0N0F3UOXlQVztxqyU7gBkZbUqOI=";
+      fetcherVersion = 3; # pnpm store version
+    };
+
+    buildPhase = ''
+      runHook preBuild
+
+      pnpm build
+
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p $out
+      cp -r _site/* $out/
+
+      runHook postInstall
+    '';
+  })