Update changelog for 1.1.1 release with documentation changes

Author: SeanLuis

CHANGELOG.md

@@ -5,6 +5,14 @@ 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).
 
+## [1.1.1] - 2025-11-11
+
+### Changed
+- **Documentation Improvements** - Enhanced README visual presentation
+  - Updated npm version badge to use shields.io style (`img.shields.io`) for consistency
+  - Added overview image (`preview.png`) to nodejs-compressor README
+  - Improved visual consistency across all documentation files
+
 ## [1.1.0] - 2025-01-11
 
 ### Changed
@@ -121,5 +129,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updated `files` field to include only dist/, src/cli.js, and README.md
 - Repository URL format corrected to use `git+` prefix (eliminates npm publish warning)
 
+[1.1.1]: https://github.com/ason-format/ason/releases/tag/v1.1.1
 [1.1.0]: https://github.com/ason-format/ason/releases/tag/v1.1.0
 [1.0.0]: https://github.com/ason-format/ason/releases/tag/v1.0.0