fix: make header a parallel route

app/[lang]/(live)/@header/[...uri]/@languageSwitcher/error.tsx

@@ -0,0 +1,14 @@
+"use client"
+
+import { useParams } from "next/navigation"
+
+import LanguageSwitcher from "@/components/Current/Header/LanguageSwitcher"
+
+import { baseUrls } from "../../_constants"
+
+import { LangParams } from "@/types/params"
+
+export default function Error() {
+  const params = useParams<LangParams>()
+  return <LanguageSwitcher urls={baseUrls} lang={params.lang} />
+}

app/[lang]/(live)/@header/[...uri]/@languageSwitcher/page.tsx

@@ -0,0 +1,13 @@
+import { serverClient } from "@/lib/trpc/server"
+
+import LanguageSwitcher from "@/components/Current/Header/LanguageSwitcher"
+
+import { LangParams, PageArgs } from "@/types/params"
+
+export default async function LanguageSwitcherRoute({
+  params,
+}: PageArgs<LangParams>) {
+  const urls = await serverClient().contentstack.config.languageSwitcher()
+
+  return <LanguageSwitcher urls={urls} lang={params.lang} />
+}