Add snapshot tests for a basic Drupal project

tests/snapshots/output/drupal/.gitignore

@@ -0,0 +1,42 @@
+# Do not edit this file. It is automatically generated by https://www.oliverdavies.uk/build-configs.
+
+.editorconfig
+.env
+.gitattributes
+vendor/
+web/.csslintrc
+web/.eslintignore
+web/.eslintrc.json
+web/.ht.router.php
+web/.htaccess
+web/INSTALL.txt
+web/README.md
+web/autoload.php
+web/core/
+web/example.gitignore
+web/index.php
+web/modules/README.txt
+web/modules/contrib/
+web/profiles/README.txt
+web/robots.txt
+web/sites/*/files/
+web/sites/*/private/
+web/sites/*/services*.yml
+web/sites/*/settings*.php
+web/sites/README.txt
+web/sites/default/default.services.yml
+web/sites/default/default.settings.php
+web/sites/development.services.yml
+web/sites/example.settings.local.php
+web/sites/example.sites.php
+web/sites/simpletest/
+web/themes/README.txt
+web/themes/contrib/
+web/update.php
+web/web.config
+
+# Docker.
+.env
+docker-compose.override.yaml
+
+