CLI: Restrict node.js environment

.changeset/thick-lions-think.md

@@ -0,0 +1,5 @@
+---
+'create-next-docs-app': patch
+---
+
+Restrict node.js environment

packages/create-next-docs/package.json

@@ -38,5 +38,8 @@
     "@types/cross-spawn": "^6.0.4",
     "@types/node": "18.17.5",
     "fast-glob": "^3.3.1"
+  },
+  "engines": {
+    "node": ">=18.17.0"
   }
 }

packages/create-next-docs/src/index.ts

@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import { existsSync } from 'fs'
 import fs from 'fs/promises'
 import path from 'path'