Add a "drowl-init-dev" command, which requires the newest Drupal "dev" version instead of the latest stable version #158

[joshsedl]

Sometimes we want to work on Drupal core issues, which require the 11.x Drupal branch. Since Drupal 10 and Drupal 11 are codewise vastly different in some areas, we can not simply apply a Drupal 11 patch on our Drupal 10 ddev environment.