chore: add nix-based dev environment

.envrc

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+if ! has nix_direnv_version || ! nix_direnv_version 3.1.0; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.1.0/direnvrc" "sha256-yMJ2OVMzrFaDPn7q8nCBZFRYpL/f0RcHzhmw/i6btJM="
+fi
+
+nix_direnv_manual_reload
+
+use flake .

.gitignore

@@ -62,3 +62,7 @@ docs/vercel/
 
 # Secrets
 .env
+
+# Nix
+.envrc
+.direnv

flake.nix

@@ -0,0 +1,27 @@
+{
+  description = "Development environment with Bun";
+
+  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 = import nixpkgs {
+          inherit system;
+        };
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            bun
+            git
+            bash
+          ];
+        };
+      }
+    );
+}
+

scripts/familiarize.sh

@@ -1,2 +1,2 @@
-#!/bin/bash
+#!/usr/bin/env bash
 git log -n 5 --pretty=full

scripts/update_vercel_docs.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e