a way to run pggat w/ tracing support

Makefile

+# This is the default target, which will be built when you invoke make
+.PHONY: all
+
+all: runotel
+
+devenv:
+	export GFX_CORE_ALLOCATION=0
+
+otelenv:
+	export OTEL_RESOURCE_ATTRIBUTES=deployment.environment=local,service.version=0.1.0,service.instance.id=$(HOSTNAME)
+	export OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://localhost:4318/v1/traces
+
+runotel: devenv otelenv
+	go run ./cmd/pggat run pool basic transaction
+