Added a getting started project for WolverineFx.

wolverine/getting-started/CreateIssueHandler.cs

@@ -0,0 +1,23 @@
+namespace WolverineTutorial;
+
+public class CreateIssueHandler(IssueRepository repository)
+{
+    // The IssueCreated event message being returned will be
+    // published as a new "cascaded" message by Wolverine after
+    // the original message and any related middleware has
+    // succeeded
+    public IssueCreated Handle(CreateIssue command)
+    {
+        var issue = new Issue(Guid.NewGuid(), command.Title, command.Description, true, DateTimeOffset.Now,
+            command.OriginatorId
+        );
+
+        repository.Store(issue);
+
+        return new IssueCreated(issue.Id);
+    }
+}
+
+public record Issue(Guid Id, string Title, string Description, bool IsOpen, DateTimeOffset Opened, Guid OriginatorId);
+
+public record IssueCreated(Guid Id);