Spring Boot auto-configuration for J-Obs observability dashboard

J-Obs starter for real-time log streaming — includes Logback capture, WebSocket streaming, level/logger filters, and trace correlation

J-Obs starter for metrics dashboard with Micrometer — includes latency percentiles, throughput, error rate, and JVM stats

J-Obs starter for CPU and memory profiling — includes on-demand CPU sampling, heap snapshots, and thread dumps from the browser

J-Obs starter for distributed tracing with OpenTelemetry — includes trace visualization, waterfall timeline, span details, and trace export