started mongo stuff, but it's a PITA. fuck mongo

parts/3/phonebookBackend/node_modules/mongoose/lib/options/saveOptions.js

@@ -0,0 +1,16 @@
+'use strict';
+
+const clone = require('../helpers/clone');
+
+class SaveOptions {
+  constructor(obj) {
+    if (obj == null) {
+      return;
+    }
+    Object.assign(this, clone(obj));
+  }
+}
+
+SaveOptions.prototype.__subdocs = null;
+
+module.exports = SaveOptions;