Lock Chat

Admins can lock or unlock the chat to prevent players from sending messages.

✅ Commands:

• /lockchat → Locks the chat (permission: azchat.lockchat)
• /unlockchat → Unlocks the chat (permission: azchat.unlockchat)

📢 Message Display:

• When chat is locked: Chat is now locked. 🔒
• When chat is unlocked: Chat is now unlocked. ✅