-> Teacher can select no of questions to form the quiz.
-> Can input those questions along with four options
-> Student would attempt quizzes and submit quiz

@zhcet19 plz have a look!

1. Both teachers and students should view the uploaded assignments of teachers.
2. Deleting uploaded assignment should be authority of teachers only (the one who has created )
3. Deleting and editing access of submitted assignments should be given to student that had made that particular submission
4. PDF download access should be there for both teachers and students.

• Use Multer or some other library to upload pdf / jpg format folder ( Authorize teacher for this)
• Download of pdf files is available for students
• Create REST API and connect mongodb with it