add features on bus /Library + Textbook Assignment

[Lijo4522]

Bus Service
│
├── Bus List
│
├── Bus Routes
│
├── Bus Students (list of student per particular bus plus pick up and drop off point )
│
├── Fuel Tracker
│ ├ Date,
│ ├ Litters,
│ ├ Cost,
│ └ Odometer Reading)
│
└── Maintenance
│ ├ Oil Change
│ ├ Brake Service,
│ ├ Tyre Replacement,
│ ├Engine Repair.
│ └ Insurance)

Library + Textbook Assignment
Library
│
├── Books
│ ├ Add Book
│ └ View Books
│
├── Issue Book
│
├── Barcode Scanner(OR unique numbering system)
│
├── Return Book
│
├── Overdue Books
│
├── Lost Books
│
├── Fines
│
└── Library Statistics
│ ├ Total Books
│ ├ Books Issued
│ ├ Overdue Books
│ └ Lost Books

OPTIONAL
1.Digital Library
2.PDF Books
3.Past Papers
4.Teacher Notes

import student list excel. edit classes and import books list excel sheet