Add lecture's schedules management system

[aboelkassem]

• [ ] Add the following tables to the database
  • [ ] Student table
  • [ ] Student level table
  • [ ] Department table
  • [ ] Subject table
  • [ ] Schedule table
  • [ ] Attendance table
• [ ] Implement real time recognition using student code and current date to determine which student attended class

[aboelkassem]

• [ ] Add student monthly year
• [ ] Add student progress chart
• [ ] Add student missed out with an alert by email

[aboelkassem]