Merge remote-tracking branch 'origin/dev' into feat/indieningen-kunnen-posten-en-bekijken-#194

# Conflicts:
#	backend/tests/setup-tests.ts

backend/src/routes/submissions.ts

@@ -5,7 +5,7 @@ const router = express.Router({ mergeParams: true });
 // Root endpoint used to search objects
 router.get('/', getSubmissionsHandler);
 
-router.post('/:id', createSubmissionHandler);
+router.post('/', createSubmissionHandler);
 
 // Information about an submission with id 'id'
 router.get('/:id', getSubmissionHandler);