fix import and shebang issues

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vibe-kit/grok-cli",
-  "version": "0.0.32",
+  "version": "0.0.33",
   "description": "An open-source AI agent that brings the power of Grok directly into your terminal.",
   "type": "module",
   "main": "dist/index.js",

src/index.ts

@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import React from "react";
 import { render } from "ink";
 import { program } from "commander";