Initialisation

Added the packages and files for the backend server

node_modules/@graphql-tools/utils/cjs/AccumulatorMap.js

@@ -0,0 +1,21 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AccumulatorMap = void 0;
+/**
+ * ES6 Map with additional `add` method to accumulate items.
+ */
+class AccumulatorMap extends Map {
+    get [Symbol.toStringTag]() {
+        return 'AccumulatorMap';
+    }
+    add(key, item) {
+        const group = this.get(key);
+        if (group === undefined) {
+            this.set(key, [item]);
+        }
+        else {
+            group.push(item);
+        }
+    }
+}
+exports.AccumulatorMap = AccumulatorMap;