add documentation

backend/v3/telemetry/logging/logger.go

@@ -2,6 +2,7 @@ package logging
 
 import "log/slog"
 
+// Logger abstracts [slog.Logger] not sure if thats needed
 type Logger struct {
 	*slog.Logger
 }

backend/v3/telemetry/metric/doc.go

@@ -0,0 +1,2 @@
+// implementation of otel metrics
+package metric

backend/v3/telemetry/tracing/tracer.go

@@ -7,6 +7,7 @@ import (
 	"go.opentelemetry.io/otel/trace/noop"
 )
 
+// Tracer is a wrapper around the OpenTelemetry Tracer interface.
 type Tracer struct {
 	trace.Tracer
 }