let file shards register against main or so

MareSynchronosServer/MareSynchronosShared/Services/MareConfigurationServiceServer.cs

@@ -6,13 +6,18 @@ using System.Text;
 
 namespace MareSynchronosShared.Services;
 
-public class MareConfigurationServiceServer<T> : IConfigurationService<T> where T : class, IMareConfiguration
+public sealed class MareConfigurationServiceServer<T> : IDisposable, IConfigurationService<T> where T : class, IMareConfiguration
 {
     private readonly IOptionsMonitor<T> _config;
+    private bool _disposed;
+
     public bool IsMain => true;
+    public event EventHandler ConfigChangedEvent;
+    private IDisposable _onChanged;
 
     public MareConfigurationServiceServer(IOptionsMonitor<T> config)
     {
+        _onChanged = _config.OnChange((c) => { ConfigChangedEvent?.Invoke(this, EventArgs.Empty); });
         _config = config;
     }
 
@@ -48,4 +53,15 @@ public class MareConfigurationServiceServer<T> : IConfigurationService<T> where
         }
         return sb.ToString();
     }
+
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        _onChanged.Dispose();
+        _disposed = true;
+    }
 }