chore: add comment to clarify that export is later

Author: wiktoriavh

src/commands/onboarding/component.ts

@@ -6,6 +6,7 @@ import {
   type MessageActionRowComponentBuilder,
 } from 'discord.js';
 
+// Exported at the bottom after all child components are added
 const containerComponent = new ContainerBuilder();
 
 const actionRowComponent = new ActionRowBuilder<MessageActionRowComponentBuilder>();