symlink project with underscores instead of hyphens (#35)

Co-authored-by: tyler36 <7234392+tyler36@users.noreply.github.com>

Author: tyler36

commands/web/symlink-project

@@ -12,5 +12,8 @@ export _WEB_ROOT=$DDEV_DOCROOT
 #todo use more dynamic ref.
 cd "$DDEV_COMPOSER_ROOT" || exit
 curl -OL https://git.drupalcode.org/project/gitlab_templates/-/raw/1.0.x/scripts/symlink_project.php
-php symlink_project.php "$DDEV_SITENAME"
+
+# Symlink name using underscores.
+# @see https://www.drupal.org/docs/develop/creating-modules/naming-and-placing-your-drupal-module
+php symlink_project.php "${DDEV_SITENAME//-/_}"
 rm -f symlink_project.php