fix ServiceCollectionExt accessability

qdr.fnd.core.business/Injection/Extensions/ServiceCollectionExt.cs

@@ -5,7 +5,7 @@ using Quadarax.Foundation.Core.Data.Mapper;
 
 namespace Quadarax.Foundation.Core.Business.Injection.Extensions
 {
-    internal static class ServiceCollectionExt
+    public static class ServiceCollectionExt
     {
         public static IServiceCollection AddDataDomain(this IServiceCollection services)
         {