Fix wrong import path in CLI

CLI seems to have been broken by db03af3.

Instead of requiring the module by path, this just imports the main module.

Author: raphinesse

bin/jsondiffpatch

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-const jsondiffpatch = require('../build/jsondiffpatch.cjs');
+const jsondiffpatch = require('..');
 
 const fs = require('fs');