Enhance moderation commands with locale support and permission checks

- Updated moderation commands to utilize locale for user-facing messages, improving internationalization.
- Refactored permission checks to include locale as a parameter, ensuring accurate responses based on the server's language settings.
- Added new translation keys for bot permissions and command restrictions in both German and English.

apps/bot/src/permissions.ts

@@ -1,11 +1,12 @@
 import { type ChatInputCommandInteraction } from 'discord.js';
 import { t } from '@nexumi/shared';
+import type { Locale } from '@nexumi/shared';
 
 export async function requirePermission(
   interaction: ChatInputCommandInteraction,
-  permission: bigint
+  permission: bigint,
+  locale: Locale
 ): Promise<boolean> {
-  const locale = 'de';
   const member = interaction.memberPermissions;
   if (!member?.has(permission)) {
     await interaction.reply({
@@ -17,7 +18,10 @@ export async function requirePermission(
 
   if (!interaction.guild?.members.me?.permissions.has(permission)) {
     await interaction.reply({
-      content: `Bot lacks required permission (${permission.toString()}).`,
+      content: t(locale, 'generic.botMissingPermission').replace(
+        '{permission}',
+        permission.toString()
+      ),
       ephemeral: true
     });
     return false;