Enhance guild management features in the owner panel

- Updated the guilds API to support searching by both guild name and ID, improving user experience.
- Increased the number of guilds retrieved from the database from 100 to 200 for better visibility.
- Implemented invite creation functionality, allowing owners to generate invites directly from the guild management interface.
- Enhanced the UI to display guild names, icons, and member counts, providing a more informative overview.
- Updated localization files to reflect new search capabilities and invite-related messages in both English and German.

apps/webui/src/messages/de.json

@@ -990,7 +990,13 @@
     "guilds": {
       "title": "Server-Verwaltung",
       "subtitle": "Server suchen, blacklisten oder den Bot entfernen.",
-      "search": "Server-ID suchen…",
+      "search": "Servername oder ID suchen…",
+      "unknownName": "Unbekannter Server",
+      "members": "{count} Mitglieder",
+      "membersUnknown": "Mitglieder unbekannt",
+      "createInvite": "Invite erstellen",
+      "inviteCopied": "Invite kopiert: {url}",
+      "inviteCreated": "Invite erstellt: {url}",
       "blacklisted": "Blacklist",
       "blacklist": "Blacklisten",
       "unblacklist": "Blacklist entfernen",