Move Drupal templates into the PHP directory

templates/php/drupal/.gitignore.twig

@@ -0,0 +1,63 @@
+# {{ managedText|raw }}
+
+{% if not experimental.createInclusiveGitIgnoreFile %}
+.editorconfig
+.env
+.gitattributes
+vendor/
+{{ drupal.docroot }}/.csslintrc
+{{ drupal.docroot }}/.eslintignore
+{{ drupal.docroot }}/.eslintrc.json
+{{ drupal.docroot }}/.ht.router.php
+{{ drupal.docroot }}/.htaccess
+{{ drupal.docroot }}/INSTALL.txt
+{{ drupal.docroot }}/README.md
+{{ drupal.docroot }}/autoload.php
+{{ drupal.docroot }}/core/
+{{ drupal.docroot }}/example.gitignore
+{{ drupal.docroot }}/index.php
+{{ drupal.docroot }}/modules/README.txt
+{{ drupal.docroot }}/modules/contrib/
+{{ drupal.docroot }}/profiles/README.txt
+{{ drupal.docroot }}/robots.txt
+{{ drupal.docroot }}/sites/*/files/
+{{ drupal.docroot }}/sites/*/private/
+{{ drupal.docroot }}/sites/*/services*.yml
+{{ drupal.docroot }}/sites/*/settings*.php
+{{ drupal.docroot }}/sites/README.txt
+{{ drupal.docroot }}/sites/default/default.services.yml
+{{ drupal.docroot }}/sites/default/default.settings.php
+{{ drupal.docroot }}/sites/development.services.yml
+{{ drupal.docroot }}/sites/example.settings.local.php
+{{ drupal.docroot }}/sites/example.sites.php
+{{ drupal.docroot }}/sites/simpletest/
+{{ drupal.docroot }}/themes/README.txt
+{{ drupal.docroot }}/themes/contrib/
+{{ drupal.docroot }}/update.php
+{{ drupal.docroot }}/web.config
+
+{% if flake is not defined %}
+# Docker.
+.env
+docker-compose.override.yaml
+{% endif %}
+
+{% if flake is defined %}
+.dir-env/
+{% endif %}
+{% else %}
+# Ignore everything.
+*
+
+# Include these things:
+!/{{ drupal.docroot }}/*/custom/**
+{% endif %}
+
+{% for path in git.ignore|sort %}
+{{ path }}
+{% endfor %}
+
+{% if experimental.createInclusiveGitIgnoreFile %}
+# Even if they are in sub-directories.
+!*/
+{% endif %}