Initialisation

Added the packages and files for the backend server

node_modules/graphql/jsutils/mapValue.js

@@ -0,0 +1,20 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.mapValue = mapValue;
+
+/**
+ * Creates an object map with the same keys as `map` and values generated by
+ * running each value of `map` thru `fn`.
+ */
+function mapValue(map, fn) {
+  const result = Object.create(null);
+
+  for (const key of Object.keys(map)) {
+    result[key] = fn(map[key], key);
+  }
+
+  return result;
+}