fix: refactored admin panel layout

frontend/src/pages/admin/AuthenticationPage/AuthenticationPage.tsx

@@ -0,0 +1,27 @@
+import { Helmet } from "react-helmet";
+import { useTranslation } from "react-i18next";
+
+import { PageHeader } from "@app/components/v2";
+
+import { AuthenticationPageForm } from "./components";
+
+export const AuthenticationPage = () => {
+  const { t } = useTranslation();
+
+  return (
+    <div className="h-full bg-bunker-800">
+      <Helmet>
+        <title>{t("common.head-title", { title: "Admin" })}</title>
+      </Helmet>
+      <div className="container mx-auto flex flex-col justify-between bg-bunker-800 text-white">
+        <div className="mx-auto mb-6 w-full max-w-7xl">
+          <PageHeader
+            title="Authentication"
+            description="Manage authentication settings for your Infisical instance."
+          />
+          <AuthenticationPageForm />
+        </div>
+      </div>
+    </div>
+  );
+};