feat(admin-i18n): add cookie-based locale runtime and switcher baseline

apps/admin/src/app/providers.tsx

@@ -1,9 +1,24 @@
 "use client"
 
+import type { AppLocale } from "@cms/i18n"
 import type { ReactNode } from "react"
 
+import type { AdminMessages } from "@/i18n/messages"
+import { AdminI18nProvider } from "@/providers/admin-i18n-provider"
 import { QueryProvider } from "@/providers/query-provider"
 
-export function Providers({ children }: { children: ReactNode }) {
-  return <QueryProvider>{children}</QueryProvider>
+export function Providers({
+  children,
+  locale,
+  messages,
+}: {
+  children: ReactNode
+  locale: AppLocale
+  messages: AdminMessages
+}) {
+  return (
+    <AdminI18nProvider locale={locale} messages={messages}>
+      <QueryProvider>{children}</QueryProvider>
+    </AdminI18nProvider>
+  )
 }