- CPT init hook was being added from within parent init hook
- Changed to call register_post_type() directly from main init
- Removed redundant hook from CPT constructor
- Fixes CPT not registering on plugin activation
- WordPress plugin header with proper metadata
- Plugin version constants and paths
- Main Umzugsliste class with singleton pattern
- Activation/deactivation hooks with flush_rewrite_rules
- Autoloader for includes/ directory
- Init hook to initialize plugin components
