Adding bin item

Author: fishcharlie

package.json

@@ -6,6 +6,9 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
+  "bin": {
+    "aws-lambda-custom-node-runtime": "index.js"
+  },
   "keywords": [],
   "author": "rrainn, Inc.",
   "license": "MIT",