v2.1.1

1. Sidebar Collapse Support – Added DEFAULT_SIDE_BAR_OPEN to control whether the sidebar is shown. It is visible by default.
2. Annotation Filtering Support – Added annotation filtering functionality, allowing filters by author and annotation type.
3. Improved Annotation Highlighting Logic – Annotations are now highlighted even when not selected, improving the overall user experience.

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1. 支持侧边栏折叠 - 增加 DEFAULT_SIDE_BAR_OPEN 控制侧边栏是否隐藏，默认显示
2. 支持批注过滤 - 增加批注过滤功能，可通过作者、批注类型进行过滤
3. 优化批注加亮逻辑 - 批注即使不选中也会加亮，改善体验