feat(core): add progressive JPEG support and fix Sharp format switching

changelog.md

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+# Changelog
+
+## [1.1.0] - 2025-01-02
+
+### Added
+- Progressive JPEG support for Sharp mode
+- New `jpeg` format option in IAssetVariation interface
+- New `progressive` boolean option for creating progressive JPEGs
+- Tests for progressive JPEG functionality
+
+### Fixed
+- Fixed Sharp switch statement missing break statements causing all formats to output as PNG
+- Updated Jimp resize to properly maintain aspect ratio
+
+### Changed
+- Updated dependencies:
+  - jimp: ^0.22.10 → ^1.6.0
+  - sharp: ^0.33.2 → ^0.34.3
+  - @push.rocks/smartpath: ^5.0.5 → ^6.0.0
+  - @push.rocks/smartrequest: ^2.0.15 → ^4.2.1
+  - @git.zone/tstest: ^1.0.86 → ^2.3.2
+- Both Sharp and Jimp modes now default to JPEG when no format is specified
+- Updated documentation to include progressive JPEG examples
+
+### Notes
+- Progressive JPEG encoding is only supported in Sharp mode
+- Jimp mode will create standard JPEGs regardless of the progressive setting