feat(auth): implement user authentication system

backend/node_modules/create-jest/build/index.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+export declare function runCLI(): Promise<void>;
+
+export declare function runCreate(rootDir?: string): Promise<void>;
+
+export {};