[XB] Registration Invites 2.1.0

Enable paid or free registrations with invite keys for controlled community access.

Offer a controlled and customizable invitation system for your forum.

Features​

• Invite Code Purchases:
  Guests and users with permission can purchase invite codes via XF payment providers.
• Free Invite Keys:
  Allow users to generate free invite keys based on permissions.
• Usage Limits:
  Set limits on invite key creation and usage (for example, 1 key per X days).
• Permission Controls:
  Configure invite key usage and creation permissions for added flexibility.
• Detailed Logging:
  Track invite link click and key usage for transparency and easier management.
• ACP Management and Statistics:
  Manage and create invite keys directly from the Admin Control Panel.
  View invite usage and purchases in statistics.
• Top Inviters Statistic:
  Adds statistics showing which members invited the most users.
• Latest invited users widget: Display newly invited members in a simple widget.
• REST API Support:
  Integrate invite key creation, usage, and management with external applications.

Useful for:​

• Private & Invite-Only Communities: Maintain full control over who can register.
• Commercial Forums: Sell access through paid invite keys.
• Soft Launches & Beta Access: Limit registrations during early or testing phases.
• Referral-Based Growth: Allow registrations only via member invitations.
• Anti-Spam Protection: Reduce bot registrations and unwanted signups.

Screenshots:​