Add to package.json

index.js

@@ -1,4 +1,4 @@
-#! /usr/bin/env node
+#!/usr/bin/env node
 
 const STEAM_API_KEY = process.env.STEAM_API_KEY;
 

package.json

@@ -5,7 +5,7 @@
   "name": "steamcmd-app-update",
   "description": "Outputs one `app_update <app-id> [-validate]` line per game in your Steam library.",
   "version": "1.0.0",
-  "main": "index.js",
+  "bin": "./index.js",
   "devDependencies": {},
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"