build(deps): add react-router-dom

Install react-router-dom to support client-side navigation. This is a prerequisite for implementing the multi-step authentication flow and other routed features.

Additionally, this commit includes minor copy improvements to the password reset forms for better clarity.

memory-bank/projectbrief.md

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+# Project Brief
+
+This document defines the core requirements and goals of the current project. It serves as the source of truth for the project scope.
+
+## Core Requirements
+
+- User authentication (Login, Signup, OTP, Forgot Password, Reset Password).
+- A chatbot page for users to ask questions.
+
+## Goals
+
+- To build a functional rental application for adventure gear.
+- To provide a chatbot for instant user support.