refactor(DbRepository): implement create method for dtros

DigitalData.Core.Infrastructure/DbRepository.cs

@@ -35,6 +35,11 @@ public class DbRepository<TDbContext, TEntity> : IRepository<TEntity> where TDbC
         return entities;
     }
 
+    public Task<TEntity> CreateAsync<TDto>(TDto dto, CancellationToken cancel = default) => CreateAsync(Mapper.Map<TEntity>(dto), cancel);
+
+    public Task<IEnumerable<TEntity>> CreateAsync<TDto>(IEnumerable<TDto> dtos, CancellationToken cancel = default) 
+        => CreateAsync(Mapper.Map<IEnumerable<TEntity>>(dtos), cancel);
+
     public IQueryable<TEntity> Where(Expression<Func<TEntity, bool>> expression) => Entities.AsNoTracking().Where(expression);
 
     public IEnumerable<TEntity> GetAll() => Entities.AsNoTracking().ToList();