feat(cli): Move hashbang to index.js

Author: francoischalifour

packages/cli/cli.js

@@ -1,5 +1,3 @@
-#!/usr/bin/env node
-
 const path = require('path');
 const process = require('process');
 const program = require('commander');

packages/cli/index.js

@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 const cli = require('./cli');
 
 module.exports = cli;