fix: make header a parallel route

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

@@ -0,0 +1,15 @@
+import Header from "@/components/Current/Header"
+import LanguageSwitcher from "@/components/Current/Header/LanguageSwitcher"
+
+import { baseUrls } from "./_constants"
+
+import { LangParams, PageArgs } from "@/types/params"
+
+export async function LanguageSwitcherRoute({ params }: PageArgs<LangParams>) {
+  return (
+    <Header
+      lang={params.lang}
+      languageSwitcher={<LanguageSwitcher urls={baseUrls} lang={params.lang} />}
+    />
+  )
+}