pad suffixen in routes/student.ts en routes/group.ts veranderd naar enkelvoud

backend/src/routes/group.ts

@@ -7,7 +7,7 @@ router.get('/:id', (req, res) => {
 })
 
 // the list of questions a group has made
-router.get('/:id/questions', (req, res) => {
+router.get('/:id/question', (req, res) => {
     res.send('questions');
 })
 

backend/src/routes/student.ts

@@ -2,18 +2,18 @@ import express from 'express'
 const router = express.Router();
 
 // the list of classes a student is in
-router.get('/:id/classes', (req, res) => {
+router.get('/:id/class', (req, res) => {
     res.send('classes');
 })
 
 // the list of submissions a student has made
-router.get('/:id/submissions', (req, res) => {
+router.get('/:id/submission', (req, res) => {
     res.send('submissions');
 })
 
   
 // the list of assignments a student has
-router.get('/:id/assignments', (req, res) => {
+router.get('/:id/assignment', (req, res) => {
     res.send('assignments');
 })