databank verbinding in app.ts uitgezet, dummy json bodies toegevoegd in verschillende routes

backend/src/routes/question.ts

@@ -3,7 +3,15 @@ const router = express.Router();
 
 // information about an question with id 'id'
 router.get('/:id', (req, res) => {
-    res.send('question');
+    res.json({
+        id: req.params.id,
+        student: '0',
+        group: '0',
+        time: new Date(2025, 1, 1),
+        content: 'Zijn alle gehele getallen groter dan 2 gelijk aan de som van 2 priemgetallen????',
+        answers: [ '0' ],
+        learningObject: [ '0' ],
+    });
 })
 
 export default router