implement new eventing system

SharedLibraryCore/Interfaces/ICoreEventHandler.cs

@@ -0,0 +1,19 @@
+using System.Threading;
+using SharedLibraryCore.Events;
+
+namespace SharedLibraryCore.Interfaces;
+
+/// <summary>
+/// Handles games events (from log, manual events, etc)
+/// </summary>
+public interface ICoreEventHandler
+{
+    /// <summary>
+    /// Add a core event event to the queue to be processed
+    /// </summary>
+    /// <param name="manager"><see cref="IManager"/></param>
+    /// <param name="coreEvent"><see cref="CoreEvent"/></param>
+    void QueueEvent(IManager manager, CoreEvent coreEvent);
+
+    void StartProcessing(CancellationToken token);
+}