feat: renamed old frontend and fixed some minor bugs

frontend/src/pages/auth/SignUpSsoPage/route.tsx

@@ -0,0 +1,14 @@
+import { createFileRoute } from "@tanstack/react-router";
+import { zodValidator } from "@tanstack/zod-adapter";
+import { z } from "zod";
+
+import { SignupSsoPage } from "./SignUpSsoPage";
+
+const SignupSSOPageQueryParamsSchema = z.object({
+  token: z.string()
+});
+
+export const Route = createFileRoute("/_restrict-login-signup/signup/sso")({
+  component: SignupSsoPage,
+  validateSearch: zodValidator(SignupSSOPageQueryParamsSchema)
+});