feat: add subscription selection to registration form and implement API for fetching subscriptions

app/routes/_layout.tsx

@@ -1,5 +1,6 @@
 import { Outlet } from 'react-router'
 
+import { getSubscriptions } from '~/apis/common/get-subscriptions'
 import { NewsProvider } from '~/contexts/news'
 import { NewsDefaultLayout } from '~/layouts/news/default'
 import { handleCookie } from '~/libs/cookies'
@@ -8,9 +9,11 @@ import type { Route } from './+types/_layout'
 
 export const loader = async ({ request }: Route.LoaderArgs) => {
   const { userToken } = await handleCookie(request)
+  const { data: subscriptionsData } = await getSubscriptions()
 
   return {
     userToken,
+    subscriptionsData,
   }
 }