link to google docs software requirements
https://docs.google.com/document/d/1M7m4JPBX-fHkBTR_l-J_9xJ0kTDGmQ8B/edit
Flowchart https://github.com/rono516/software_engineering_lab/issues/23 design https://github.com/rono516/software_engineering_lab/issues/24 sequence diagram https://github.com/rono516/software_engineering_lab/issues/23 sequence course management https://github.com/rono516/software_engineering_lab/issues/18