ability to specify if a theme is enabled for a site

Oqtane.Server/Migrations/Master/04000001_AddThemeTable.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Oqtane.Databases.Interfaces;
+using Oqtane.Migrations.EntityBuilders;
+using Oqtane.Repository;
+
+namespace Oqtane.Migrations.Master
+{
+    [DbContext(typeof(MasterDBContext))]
+    [Migration("Master.04.00.00.01")]
+    public class AddThemeTable : MultiDatabaseMigration
+    {
+        public AddThemeTable(IDatabase database) : base(database)
+        {
+        }
+
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            var themeEntityBuilder = new ThemeEntityBuilder(migrationBuilder, ActiveDatabase);
+            themeEntityBuilder.Create();
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            // not implemented
+        }
+    }
+}