Add Polly resilience policies

src/MxGateway.Server/Configuration/WorkerOptions.cs

@@ -11,6 +11,12 @@ public sealed class WorkerOptions
 
     public int StartupTimeoutSeconds { get; init; } = 30;
 
+    public int StartupProbeRetryAttempts { get; init; } = 3;
+
+    public int StartupProbeRetryDelayMilliseconds { get; init; } = 250;
+
+    public int PipeConnectAttemptTimeoutMilliseconds { get; init; } = 2000;
+
     public int ShutdownTimeoutSeconds { get; init; } = 10;
 
     public int HeartbeatIntervalSeconds { get; init; } = 5;