feat: implement getTags API and integrate with content creation form

app/routes/_admin.lg-admin.tsx

@@ -1,6 +1,8 @@
 import { Outlet, redirect } from 'react-router'
 
 import { getStaff } from '~/apis/admin/get-staff'
+import { getCategories } from '~/apis/common/get-categories'
+import { getTags } from '~/apis/common/get-tags'
 import { AUTH_PAGES } from '~/configs/pages'
 import { AdminProvider } from '~/contexts/admin'
 import { AdminDefaultLayout } from '~/layouts/admin/default'
@@ -28,9 +30,13 @@ export const loader = async ({ request }: Route.LoaderArgs) => {
     })
     staffData = data
   }
+  const { data: categoriesData } = await getCategories()
+  const { data: tagsData } = await getTags()
 
   return {
     staffData,
+    categoriesData,
+    tagsData,
   }
 }