New Features

Alliances

• Added a new alliance system.
• /ally invite <teamname>: Invite another team to form an alliance (owner only).
• /ally accept: Accept a pending alliance invitation.
• /ally decline: Decline a pending alliance invitation.
• /ally break <teamname>: End an alliance with another team.
• Players in allied teams cannot damage each other.

Team Vaults

• Added a new team vault feature.
• /team vault: Opens a shared 54-slot inventory for your team.
• Vault contents are saved to teamvaults.yml and persist through server restarts.

Bug Fixes & Improvements

• Refactored the team role management system for better stability.
• Fixed a bug where chat formatting was inconsistent for players not in a team.
• Corrected display issues in the /team info and /team online commands.