Quick launch tool to launch a local Grafana LGTM environment for use in local development.

Startup: npx @signal24/devtool-otel
Shutdown: npx @signal24/devtool-otel down

Exposes:

• Grafana at http://localhost:3200/explore
• gRPC OpenTelemetry collector at http://localhost:4317
• HTTP OpenTelemetry collector at http://localhost:4318