v1.0.0 of hw_video_compress

A Flutter plugin for video compression on Android and iOS using hardware-accelerated APIs. Changelog excerpt: - Initial release of hw_video_compress. - Support hardware-accelerated video compression on Android (using native Transcoder). - Support hardware-accelerated video compression on iOS (using AVAssetExportSession). - Expose compressVideomethod returning the output file path. - Expose onProgressstream to track real-time compression progress. - Provide an interactive example application featuring video picking and compression statistics.