v1.0.0 of xue_hua_media_compression

Cross-platform Flutter FFI plugin for image and video compression powered by Rust. Changelog excerpt: First public release. 首次公开发布。 ### Added / 新增 - Image compression / 图片压缩— Pure Rust pipeline on all platforms; output JPEG, PNG, WebP, GIF, AVIF; optional HEIC (build-time feature). Supports quality, max-dimension downscale, and format-specific speed options. 全平台纯 Rust 图片压缩管线；支持输出 JPEG、PNG、WebP、GIF、AVIF；可选 HEIC（构建时 feature）。支持质量、最大边长缩放及格式相关速度参数。 - Video compression / 视频压缩— Platform-native hardware encoding with MP4 muxing: 各平台原生硬件编码并封装 MP4： - Android — AMediaCodec (NDK) - iOS [...]