feat: add create and update subscription plan APIs and corresponding forms

app/routes/_admin.lg-admin._dashboard.subscribe-plan.update.$id.tsx

@@ -0,0 +1,20 @@
+import { getSubscriptions } from '~/apis/common/get-subscriptions'
+import { FormSubscribePlanPage } from '~/pages/form-subscriptions-plan'
+
+import type { Route } from './+types/_admin.lg-admin._dashboard.subscribe-plan.update.$id'
+
+export const loader = async ({ params }: Route.LoaderArgs) => {
+  const { data: subscribePlansData } = await getSubscriptions()
+  const subscribePlanData = subscribePlansData.find(
+    (subscribePlan) => subscribePlan.id === params.id,
+  )
+  return { subscribePlanData }
+}
+
+const DashboardSubscribePlanUpdateLayout = ({
+  loaderData,
+}: Route.ComponentProps) => {
+  const { subscribePlanData } = loaderData || {}
+  return <FormSubscribePlanPage subscribePlanData={subscribePlanData} />
+}
+export default DashboardSubscribePlanUpdateLayout