Added support for per site options and OpenID Connect

Oqtane.Shared/Interfaces/IAlias.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+
+namespace Oqtane.Models
+{
+     public interface IAlias
+    {
+        int AliasId { get; set; }
+        string Name { get; set; }
+        int TenantId { get; set; }
+        int SiteId { get; set; }
+        bool IsDefault { get; set; }
+        string CreatedBy { get; set; }
+        DateTime CreatedOn { get; set; }
+        string ModifiedBy { get; set; }
+        DateTime ModifiedOn { get; set; }
+        string Path { get; }
+        string SiteKey { get; } 
+        Dictionary<string, string> SiteSettings { get; set; }
+    }
+}