adding list of exercise for student

.idea/.gitignore

.idea/dojoweb.iml

.idea/inspectionProfiles/Project_Default.xml

.idea/modules.xml

.idea/vcs.xml

.idea/watcherTasks.xml

AngularApp/package-lock.json

AngularApp/package.json

AngularApp/src/app/app.module.ts

AngularApp/src/app/app.routing.ts

AngularApp/src/app/assignment.service.spec.ts

AngularApp/src/app/assignment.service.ts

AngularApp/src/app/auth_service.ts

AngularApp/src/app/components/navbar/navbar.component.css

AngularApp/src/app/components/navbar/navbar.component.html

AngularApp/src/app/components/navbar/navbar.component.ts

AngularApp/src/app/components/sidebar/sidebar.component.html

AngularApp/src/app/components/sidebar/sidebar.component.ts

...App/src/app/create-exercise/create-exercise.component.css

...pp/src/app/create-exercise/create-exercise.component.html