Separation of messages. Introducing Wino.Messages library.

Wino.Messages/Navigation/BackBreadcrumNavigationRequested.cs

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+namespace Wino.Messages.Navigation
+{
+    /// <summary>
+    /// When back navigation is requested for breadcrumb pages.
+    /// </summary>
+    public record BackBreadcrumNavigationRequested { }
+}

Wino.Messages/Navigation/BreadcrumbNavigationRequested.cs

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+using Wino.Core.Domain.Enums;
+
+namespace Wino.Messages.Navigation
+{
+    /// <summary>
+    /// When Breadcrumb control navigation requested.
+    /// </summary>
+    /// <param name="PageTitle">Title to display for the page.</param>
+    /// <param name="PageType">Enum equilavent of the page to navigate.</param>
+    /// <param name="Parameter">Additional parameters to the page.</param>
+    public record BreadcrumbNavigationRequested(string PageTitle, WinoPage PageType, object Parameter = null);
+}

Wino.Messages/Navigation/NavigateSettingsRequested.cs

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+namespace Wino.Messages.Navigation
+{
+    /// <summary>
+    /// Navigates to settings page.
+    /// </summary>
+    public record NavigateSettingsRequested;
+}