👷‍♂️ Add shebangs

src/getPatchZip.ts

@@ -1,6 +1,8 @@
+#!/usr/bin/env node
+
 import { getPatchZip, ISsnFileEntry, Product, verifyProductName } from 'ssn';
 import * as yargsParser from 'yargs-parser';
-import failWithError from './failWithError';
+import failWithError from './funcs/failWithError';
 
 const failFunction = failWithError.bind(null, 'node dist/getPatchZip.js --product <product> --from <from> --to <to>');