chore: move the go code into a subfolder

apps/api/internal/telemetry/otel/resource.go

@@ -0,0 +1,22 @@
+package otel
+
+import (
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/sdk/resource"
+	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
+
+	"github.com/zitadel/zitadel/cmd/build"
+)
+
+func ResourceWithService(serviceName string) (*resource.Resource, error) {
+	attributes := []attribute.KeyValue{
+		semconv.ServiceNameKey.String(serviceName),
+	}
+	if build.Version() != "" {
+		attributes = append(attributes, semconv.ServiceVersionKey.String(build.Version()))
+	}
+	return resource.Merge(
+		resource.Default(),
+		resource.NewWithAttributes("", attributes...),
+	)
+}