ADDED: CLAN SYSTEM

VERSION 2.4
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✅ Create, delete, and manage clans with commands

✅ Store clan data in clans.yml

✅ Ally support between clans

✅ PlaceholderAPI support for:

+ %eternautaclan_name%

+ %eternautaclan_owner%

+ %eternautaclan_membercount%

+ %eternautaclan_ally%

✅ Fully editable clan messages in messages.yml

✅ Custom chat format