Added plugin events

src/HopFrame.Web/Plugins/Events/PluginEventContainer.cs

@@ -0,0 +1,9 @@
+using System.Reflection;
+
+namespace HopFrame.Web.Plugins.Events;
+
+internal sealed class PluginEventContainer {
+    public required MethodInfo Handler { get; init; }
+    public required Type EventType { get; init; }
+    public required bool IsAwaitable { get; init; }
+}