Bump version to 0.11.1

- Add i18n translation files (German Switzerland)
- Update README with WooCommerce documentation

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

CHANGELOG.md

@@ -5,6 +5,21 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.11.1] - 2026-02-03
+
+### Added
+
+- Internationalization (i18n) support:
+  - Translation template file `languages/wp-bnb.pot` with 1,140 translatable strings
+  - German (Switzerland) translation `languages/wp-bnb-de_CH.po` with 77% coverage (875 strings)
+  - Compiled binary `languages/wp-bnb-de_CH.mo` for WordPress use
+  - Coverage includes: admin UI, post types, taxonomies, settings, dashboard, reports, REST API, WooCommerce, CF7, widgets, blocks, shortcodes
+
+### Changed
+
+- README.md updated with comprehensive WooCommerce integration documentation
+- Added REST API to key features list in README
+
 ## [0.11.0] - 2026-02-03
 
 ### Added