Adding a line of help for people using this as a learning project

Added two lines of help for the people sent here from the ORMlite page so they can understand how to make it build as a standalone unit test as promised on that page.

Author: MarkWalls

tests/ServiceStack.OrmLite.Tests/UseCase/CustomerOrdersUseCase.cs

@@ -134,6 +134,9 @@ public void Run()
             //Use in-memory Sqlite DB instead
             //var dbFactory = new OrmLiteConnectionFactory(
             //    ":memory:", false, SqliteDialect.Provider);
+            
+            //If you are trying to get this to build as a standalone example, use one of the dbFactory methods
+            //  above, instead of Config.OpenDbConnection in the using statement below.
 
             //Non-intrusive: All extension methods hang off System.Data.* interfaces
             using (IDbConnection db = Config.OpenDbConnection())
@@ -221,4 +224,4 @@ public void Run()
         }
     }
 
-}
+}