Initialisation

Added the packages and files for the backend server

node_modules/graphql/jsutils/identityFunc.js

@@ -0,0 +1,13 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.identityFunc = identityFunc;
+
+/**
+ * Returns the first argument it receives.
+ */
+function identityFunc(x) {
+  return x;
+}