Moved sessionserver routes to correct directory and removed subdirectory logic from texture file lookup. Updated texture URLs to remove leading slashes and fixed endpoint concatenation. Added default textures for Alex and Steve.
Introduces zod-based validation schemas for Minecraft and Mojang API endpoints. Refactors texture route to support hash-based file serving and removes the old static texture route. Updates database schema for player properties and adds an event to clean expired certificates. Improves ValidationError formatting, adjusts skin/cape URL construction, and adds SSRF protection for skin uploads.
Introduces new session server endpoints for hasJoined and profile lookup, adds a SessionError class for improved error handling, and updates error exports. Also renames sessionRepository and sessionService files to sessionsRepository and sessionsService for consistency, and sets max listeners in logger.
