[TASK] Clean up legacy devbox config and fix DDEV post-start hook

Remove obsolete TYPO3 v11 artifacts from .devbox/.ddev/ and
.devbox/build-files/. Fix bin path in post-start hook to match
composer bin-dir. Extend .ddev/.gitignore to cover all generated dirs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: PKuhlmay

.ddev/.gitignore

@@ -1,15 +1,26 @@
-.dbimageBuild
-.webimageBuild
+# DDEV-generated files — do not commit
+.dbimageBuild/
+.webimageBuild/
 .ddev-docker-compose-base.yaml
 .ddev-docker-compose-full.yaml
 .global_commands/
 .homeadditions/
+.start-synced
+addon-metadata/
 apache/
+commands/
 db-build/
+db_snapshots/
+homeadditions/
 mutagen/
+mysql/
 nginx_full/
+php/
 providers/
+share-providers/
+traefik/
 web-build/
+web-entrypoint.d/
 xhprof/
 config.local.yaml
 composer.lock

.ddev/config.yaml

@@ -14,4 +14,4 @@ web_environment:
 hooks:
     post-start:
         - exec: mkdir -p /var/www/html/.devbox/packages && ln -sfn /var/www/html /var/www/html/.devbox/packages/extension_builder
-        - exec: /var/www/html/.devbox/vendor/bin/typo3 database:updateschema 2>/dev/null || true
+        - exec: /var/www/html/.devbox/bin/typo3 database:updateschema 2>/dev/null || true