nuget reorganization

src/Signals/StellaOps.Signals/Services/IReachabilityCache.cs

@@ -0,0 +1,14 @@
+using System.Threading;
+using System.Threading.Tasks;
+using StellaOps.Signals.Models;
+
+namespace StellaOps.Signals.Services;
+
+public interface IReachabilityCache
+{
+    Task<ReachabilityFactDocument?> GetAsync(string subjectKey, CancellationToken cancellationToken);
+
+    Task SetAsync(ReachabilityFactDocument document, CancellationToken cancellationToken);
+
+    Task InvalidateAsync(string subjectKey, CancellationToken cancellationToken);
+}