improvements in configuration options and testing

Co-authored-by: Copilot <copilot@github.com>

.gitignore

@@ -0,0 +1,60 @@
+# Composer / Dependency Management
+vendor/
+composer.lock
+
+# IDE / Editor
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+.project
+.settings/
+*.sublime-workspace
+*.sublime-project
+
+# PHP
+.php_cs.cache
+.phpunit.cache
+.phpstan.cache
+.psalm.cache
+
+# Testing
+coverage/
+.coverage/
+build/
+dist/
+
+# Logs
+*.log
+logs/
+
+# Environment Variables
+.env
+.env.local
+.env.*.local
+
+# Project Specific
+config/config-*.json
+config/import/source/*.csv
+config/import/output/*.csv
+config/import/archive/*.csv
+config/import/error/*.csv
+import/
+output/
+
+# OS
+Thumbs.db
+.AppleDouble
+.LSOverride
+
+# Docker
+.dockerignore
+docker-compose.override.yml
+
+# Temporary Files
+*.tmp
+*.bak
+*.backup
+/tmp/