Added plans for Library Management System

[ritaban06]

Short description of this project:-

• Introduction & Overview: Describes the Library Management System, outlining its core features (user registration, book search, borrowing, returning, etc.).
• Flowchart Breakdown: Detailed explanation of the system’s flow, covering user registration, book search, borrowing and returning processes.
• Tech Stack: Suggested technologies, including frontend (React.js, Vue.js), backend (Node.js, Express.js), databases (MongoDB, MySQL), authentication (JWT, BCrypt), and deployment (AWS, Docker).
• Future Enhancements: Potential features like a notification system, admin dashboard, mobile app integration, and analytics.

[darkhorse404]

Try to add more or enhance the contribution to this PR if possible Or comment if not