chore: ✨ Add CHANGELOG.md to document notable changes and version history

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [1.1.0] - 2025-07-29
+
+### Added
+
+- **HDR10+DV Hybrid Processing**: New `-r HYBRID` command for processing HDR10 and Dolby Vision tracks
+  - Support for hybrid HDR processing and injection using dovi_tool
+  - New hybrid track processing module for seamless HDR10/DV conversion
+  - Automatic detection and handling of HDR10 and DV metadata
+- Support for HDR10 and DV tracks in hybrid mode for EXAMPLE service
+- Binary availability check for dovi_tool in hybrid mode operations
+- Enhanced track processing capabilities for HDR content
+
+### Fixed
+
+- Import order issues and missing json import in hybrid processing
+- UV installation process and error handling improvements
+- Binary search functionality updated to use `binaries.find`
+
+### Changed
+
+- Updated package version from 1.0.2 to 1.1.0
+- Enhanced dl.py command processing for hybrid mode support
+- Improved core titles (episode/movie) processing for HDR content
+- Extended tracks module with hybrid processing capabilities