migrate to "export default"

also, set no-use-before-define in linter

src/routes/externalldap.js

@@ -1,16 +1,11 @@
 import assert from 'node:assert';
 import AuditSource from '../auditsource.js';
 import BoxError from '../boxerror.js';
-import * as externalLdap from '../externalldap.js';
+import externalLdap from '../externalldap.js';
 import { HttpError } from '@cloudron/connect-lastmile';
 import { HttpSuccess } from '@cloudron/connect-lastmile';
 import safe from 'safetydance';
 
-export {
-    getConfig,
-    setConfig,
-    sync
-};
 
 async function sync(req, res, next) {
     const [error, taskId] = await safe(externalLdap.startSyncer());
@@ -45,3 +40,9 @@ async function setConfig(req, res, next) {
 
     next(new HttpSuccess(200, {}));
 }
+
+export default {
+    getConfig,
+    setConfig,
+    sync
+};