Add release package v1.1.1 and reorganize all releases

Release v1.1.1 - Critical bug fix:
- Fixed WC_Settings_Page class loading timing issue
- Changed initialization hook from woocommerce_loaded to woocommerce_init
- Ensures plugin activates correctly without fatal errors

Release organization:
- Moved v1.0.0 and v1.1.0 packages from root to releases/ directory
- Added v1.1.1 release package
- All releases now properly organized in releases/ subdirectory

v1.1.1 Package contents:
- Plugin source files (v1.1.1)
- Stock management integration (v1.1.0 feature)
- Complete vendor dependencies (Twig 3.0)
- Translation files for 6 locales
- Documentation and changelog

v1.1.1 Package details:
- Size: 375 KB
- SHA-256: 761eef69da910ecfdb20ceeed70b5d0381c7cab895e81a040d132cb0f88d749b

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

releases/releases/wc-composable-product-v1.1.1.zip.md5

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+db09928aea6fffbf9c2e754d2264f2bc  wc-composable-product-v1.1.1.zip

releases/releases/wc-composable-product-v1.1.1.zip.sha256

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+761eef69da910ecfdb20ceeed70b5d0381c7cab895e81a040d132cb0f88d749b  wc-composable-product-v1.1.1.zip