Implement comprehensive TODO items: telemetry, deployment, logging, c…

[Krilliac]

…onfig

Telemetry System:

• Implement CSVMetricsReporter, MemoryMetricsReporter, AlertMetricsReporter
• Integrate telemetry init/shutdown in main.cpp with all reporter types
• Add telemetry hooks in NetworkManager, ConnectionManager, GameMode
• Add scoped performance timing in GameServer::Run() (frame/physics/network/game)
• Add security violation telemetry in SecurityManager, EAC, MovementValidator, AntiCheatManager

Logger Enhancements:

• Add structured JSON logging mode (SetStructuredLogging)
• Implement log rotation with configurable max file size and count
• Add remote log shipping capability with async buffer

Configuration System:

• Add live config file watching with background thread (StartFileWatcher)
• Implement config backup (timestamped) and rollback system
• Add GetAvailableBackups for listing backup history

Deployment Infrastructure:

• Create multi-stage Dockerfile (build + runtime)
• Add docker-compose.yml with server, Prometheus, and Grafana services
• Create Kubernetes manifests (namespace, configmap, deployment, service, PVCs)
• Add Prometheus scrape config and Grafana dashboard provisioning
• Create comprehensive Grafana dashboard (players, performance, network, security)

CI/CD Pipeline:

• Add GitHub Actions CI workflow with Linux (gcc/clang) and Windows builds
• Include cppcheck static analysis and Docker build verification

Bug Fixes:

• Fix shared_ptr cast to void* in NetworkManager/ConnectionManager
• Fix m_nextClientId.load() on non-atomic type in EACServerEmulator
• Fix const char* .c_str() calls in RPCHandler

Update TODO.md to reflect all completed items.