Release v0.3.11

更新内容:

- 活动管理和标签管理可从设置菜单进入归档区
- 归档区按分组展示，组内按归档时间排列
- 归档时可写下感想，之后可查看并一键恢复
- 编辑页底部归档与删除并排，避免误操作
- 修复多处计时、导入和对话相关问题
- 改进问题反馈与贡献流程

Updates:

- Open an archive from activity or tag management
- Archived items are grouped and sorted by archive time
- Optional note when archiving; restore in one tap
- Archive sits next to delete on the edit screen
- Fixes for timing, import, and chat
- Clearer issue and contribution workflow