first steps for sequelize binary

bin/sequelize

+#!/usr/bin/env node
+
+var path = require("path")
+
+if(path.existsSync(__dirname + '/../config/config.json')) {
+
+} else {
+  throw new Error('Please add a configuration file under config/config.json')
+}

package.json

@@ -21,6 +21,6 @@
   "keywords": ["mysql", "orm", "nodejs", "object relational mapper"],
   "keywords": ["mysql", "orm", "nodejs", "object relational mapper"],
   "main": "index",
   "main": "index",
   "scripts": {},
   "scripts": {},
-  "bin": {},
+  "bin": "bin/sequelize",
   "engines": { "node": ">= 0.4.0" }
   "engines": { "node": ">= 0.4.0" }
 }
 }