Introduces new routes under /minecraftservices and /mojangapi for profile, skin, cape, blocklist, privileges, and certificate management. Adds a comprehensive userService module to handle user-related operations, and extends userRepository with methods for username changes, skin/cape management, blocking, and profile lookups. Refactors username availability logic into authService, updates error handling, and improves logger and utility functions. Also updates route handlers to use consistent return statements and enhances route registration logging.
Replaces custom logger instantiation with a shared logger import across modules and routes. Moves player property and privilege management from authRepository to a new userRepository, expanding userRepository with additional user management functions (ban, unban, preferences, privileges, bans). Updates service and route files to use userRepository where appropriate. Adds new session join route and schema, and utility for UUID formatting.
