docs: update README.md to provide comprehensive project overview, key features, technology stack, project structure, and getting started instructions for the Library Management System

README.md

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-# LibraryManagement
+# Library Management System
+
+A comprehensive Library Management System built with a decoupled architecture featuring an ASP.NET Core Web API backend and an ASP.NET Core MVC frontend.
+
+## 🚀 Project Overview
+
+This system is designed to streamline library operations, from managing book catalogs to tracking member borrowings and handling subscriptions. It provides a secure, role-based environment for both administrators and library members.
+
+### Key Features
+
+- **📚 Catalog Management**: Full CRUD operations for books and categories, including cover image support.
+- **👥 Member Management**: Administrative tools to manage library members, their profiles, and roles.
+- **🔖 Borrowing System**: Comprehensive tracking of book loans, returns, and history.
+- **💳 Subscription Plans**: Tiered membership system where administrators can assign and manage subscription plans.
+- **🔐 Secure Access**: Role-based access control (RBAC) powered by ASP.NET Core Authentication, ensuring only authorized users can perform sensitive actions.
+
+## 🛠️ Technology Stack
+
+### Backend
+- **Framework**: ASP.NET Core 8.0 Web API
+- **ORM**: Entity Framework Core
+- **Database**: SQL Server
+- **Architecture**: Feature-based directory structure for better maintainability.
+
+### Frontend
+- **Framework**: ASP.NET Core MVC
+- **Styling**: Modern CSS with a focus on premium user experience.
+- **Authentication**: Cookie-based authentication for seamless session management.
+
+## 📁 Project Structure
+
+- **`/Backend`**: The RESTful API service handling business logic and data persistence.
+- **`/Frontend`**: The MVC web application providing the user interface.
+- **`/Database`**: Contains SQL scripts for database initialization and schema definitions.
+
+## 🚦 Getting Started
+
+1.  **Database Setup**: Run the scripts in `/Database` to initialize your SQL Server instance.
+2.  **Run Backend**: Start the `Backend` project to host the API.
+3.  **Run Frontend**: Start the `Frontend` project to access the management dashboard.