Add Service Status page with service_health_check and report_issue examples

snippets/csharp/ServiceStatus.cs

@@ -0,0 +1,36 @@
+using Breez.Sdk;
+
+public class ServiceStatusSnippets
+{
+    public void HealthCheckStatus(BlockingBreezServices sdk)
+    {
+        // ANCHOR: health-check-status
+        try
+        {
+            var healthCheck = sdk.ServiceHealthCheck();
+            Console.WriteLine($"Current service status is: {currentFees.totalEstimatedFees}"); 
+        }
+        catch (Exception)
+        {
+            // Handle error
+        }
+        // ANCHOR_END: health-check-status
+    }
+
+    public void ReportPaymentFailure(BlockingBreezServices sdk)
+    {
+        // ANCHOR: report-payment-failure
+        var paymentHash = "...";
+        try
+        {
+            sdk.ReportIssue(new ReportIssueRequest.PaymentFailure(
+                new ReportPaymentFailureDetails(paymentHash)
+            ));
+        }
+        catch (Exception)
+        {
+            // Handle error
+        }
+        // ANCHOR_END: report-payment-failure
+    }
+}