feat(frontend): Added functionality to the frontend to log in.

backend/src/routes/auth.ts

@@ -0,0 +1,10 @@
+import express from 'express'
+import {getFrontendAuthConfig} from "../controllers/auth";
+const router = express.Router();
+
+// returns auth configuration for frontend
+router.get('/config', (req, res) => {
+    res.json(getFrontendAuthConfig());
+});
+
+export default router;