Implement command cooldown management and enhance command execution flow

- Introduced `applyCommandCooldown` function to manage per-command cooldowns after execution, improving command rate limiting.
- Updated command execution flow to include cooldown application, ensuring users are informed of cooldown status.
- Enhanced error handling in interaction replies, allowing for more graceful error management and user feedback.
- Improved the handling of interaction responses across various commands, ensuring consistent user experience.
- Added permission checks for new commands, ensuring only authorized users can execute specific actions.

apps/bot/src/modules/giveaways/command-definitions.ts

@@ -1,9 +1,10 @@
 import { applyCommandDescription, applyOptionDescription } from '@nexumi/shared';
-import { SlashCommandBuilder } from 'discord.js';
+import { PermissionFlagsBits, SlashCommandBuilder } from 'discord.js';
 
 export const giveawayCommandData = applyCommandDescription(
   new SlashCommandBuilder()
     .setName('giveaway')
+    .setDefaultMemberPermissions(PermissionFlagsBits.ManageGuild)
     .addSubcommand((s) =>
       applyCommandDescription(s.setName('start'), 'giveaway.start.description')
         .addStringOption((o) =>