chore: move the go code into a subfolder

apps/api/internal/telemetry/metrics/noop.go

@@ -0,0 +1,45 @@
+package metrics
+
+import (
+	"context"
+	"net/http"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/metric"
+)
+
+type NoopMetrics struct{}
+
+var _ Metrics = new(NoopMetrics)
+
+func (n *NoopMetrics) GetExporter() http.Handler {
+	return nil
+}
+
+func (n *NoopMetrics) GetMetricsProvider() metric.MeterProvider {
+	return nil
+}
+
+func (n *NoopMetrics) RegisterCounter(name, description string) error {
+	return nil
+}
+
+func (n *NoopMetrics) AddCount(ctx context.Context, name string, value int64, labels map[string]attribute.Value) error {
+	return nil
+}
+
+func (n *NoopMetrics) AddHistogramMeasurement(ctx context.Context, name string, value float64, labels map[string]attribute.Value) error {
+	return nil
+}
+
+func (n *NoopMetrics) RegisterUpDownSumObserver(name, description string, callbackFunc metric.Int64Callback) error {
+	return nil
+}
+
+func (n *NoopMetrics) RegisterValueObserver(name, description string, callbackFunc metric.Int64Callback) error {
+	return nil
+}
+
+func (n *NoopMetrics) RegisterHistogram(name, description, unit string, buckets []float64) error {
+	return nil
+}