Instalacja modułu

composer require 'drupal/photoswipe:^5.0'
vendor/bin/drush en -y photoswipe

DDEV

ddev composer require 'drupal/photoswipe:^5.0'
ddev drush en -y photoswipe

Dodatkowo musi być doinstalowana biblioteka

mkdir -p web/libraries/photoswipe
cd web/libraries/photoswipe
wget https://github.com/dimsemenov/PhotoSwipe/archive/v5.4.4.zip
unzip v*.zip
rm *.zip
mv P*/* .
rm -r P*
cd ../../..