I am writing to you on the occasion of a migration of a custom theme in Drupal 7, I understand that the structure of 8 has changed too much to be able to make a migration as it is either through the web or with Drush and I must restructure it to reprogram it (from php to twig and from .info to .yml), my question is: is there no simpler way and is it worth trying with the stability that now counts migrations to Drupal 8?