Performance improvements, refactoring of multi-tenant support, split Alias and Tenant entities for cleaner separation of concerns, create an additional site during installation for demonstratng multitenancy

Oqtane.Client/Shared/SiteState.cs

@@ -0,0 +1,11 @@
+using Oqtane.Models;
+
+namespace Oqtane.Shared
+{
+    // this class is used for passing state between Blazor components and Services
+    public class SiteState
+    {
+        public Alias Alias { get; set; }
+
+    }
+}