feat(WEB-132): add middlewares, support for seamless login and improve lang based routes

server/errors/next.ts

@@ -0,0 +1,13 @@
+import { NextResponse } from "next/server"
+
+export function badRequest() {
+  return new NextResponse("Bad request", {
+    status: 400,
+  })
+}
+
+export function internalServerError() {
+  return new NextResponse("Internal Server Error", {
+    status: 500,
+  })
+}