[XB] Registration Invites 2.0.3 Patch Level 2

[XB] Registration Invites, Enable paid or free registrations with invite keys for controlled community access.

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 (e.g., 1 key per X days).

Permission Controls
Configure invite key usage and creation permissions for added flexibility.

Detailed Logging
Track invite key usage for transparency and management.

ACP Management and Statistics
Manage and create invite keys directly from the Admin Control Panel. View invite usage and purchases in statistics.

REST API support
Integrate invite key creation, usage, and management with external applications.

Offer a controlled and customizable invitation system for your forum!