docs(api): more old version stuff

frontend/src/lib/authClient.ts

@@ -1,7 +1,7 @@
 import { useQuery, useQueryClient } from "@tanstack/react-query";
 import { redirect, useNavigate, useRouter } from "@tanstack/react-router";
 import { createAuthClient } from "better-auth/client";
-import { usernameClient } from "better-auth/client/plugins";
+import { adminClient, usernameClient } from "better-auth/client/plugins";
 import { useEffect } from "react";
 import { create } from "zustand";
 import { api } from "./axiosAPI";
@@ -112,7 +112,7 @@ export async function checkUserAccess({
 // ---- BETTER AUTH CLIENT ----
 export const authClient = createAuthClient({
 	baseURL: `${window.location.origin}/lst/api/auth`,
-	plugins: [usernameClient()],
+	plugins: [usernameClient(), adminClient()],
 	options: {
 		autoPopup: false,
 		requireAuth: false,