Initialisation

Added the packages and files for the backend server

node_modules/graphql/jsutils/promiseForObject.mjs

@@ -0,0 +1,18 @@
+/**
+ * This function transforms a JS object `ObjMap<Promise<T>>` into
+ * a `Promise<ObjMap<T>>`
+ *
+ * This is akin to bluebird's `Promise.props`, but implemented only using
+ * `Promise.all` so it will work with any implementation of ES6 promises.
+ */
+export function promiseForObject(object) {
+  return Promise.all(Object.values(object)).then((resolvedValues) => {
+    const resolvedObject = Object.create(null);
+
+    for (const [i, key] of Object.keys(object).entries()) {
+      resolvedObject[key] = resolvedValues[i];
+    }
+
+    return resolvedObject;
+  });
+}