add caching support for folders

Oqtane.Server/Migrations/Tenant/06000201_AddFolderCacheControl.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.Tenant
+{
+    [DbContext(typeof(TenantDBContext))]
+    [Migration("Tenant.06.00.02.01")]
+    public class AddFolderCacheControl : MultiDatabaseMigration
+    {
+        public AddFolderCacheControl(IDatabase database) : base(database)
+        {
+        }
+
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            var folderEntityBuilder = new FolderEntityBuilder(migrationBuilder, ActiveDatabase);
+            folderEntityBuilder.AddStringColumn("CacheControl", 50, true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            // not implemented
+        }
+    }
+}