Initial work on implementing Pokemon

PkmnLib.Dynamic/Events/Handling/EventBatchId.cs

@@ -0,0 +1,17 @@
+namespace PkmnLib.Dynamic.Events;
+
+/// <summary>
+/// Allows for the batching of multiple events that should be shown at the same time.
+/// </summary>
+/// <remarks>
+/// This is useful for when we send multiple events to the client in sequence, but we want to show them in one go.
+/// For example, when a Pokemon gets hurt by poison, we want to show the purple poison animation and the damage at the
+/// same time. This is done by batching the events together.
+/// </remarks>
+public record struct EventBatchId()
+{
+    /// <summary>
+    /// The unique identifier for this batch of events.
+    /// </summary>
+    public Guid Id { get; init; } = Guid.NewGuid();
+}