v3.7.1-release

更新日志：

1. 修复多步撤销/重做的一些问题。
2. 添加深色主题（悬浮工具栏）。
3. 进入白板后取消置顶。
4. 默认开启 WPS Office 支持。

文件说明：

• 安装版 (推荐): Ink.Canvas.Setup.Ver.3.7.1-release.exe
• 压缩版: Ink.Canvas.Ver.3.7.1-release.zip
• 单文件版: Ink.Canvas.Ver.3.7.1.exe
• Store 版: Ink_Canvas_3.7.1.0_neutral.AppxBundle
• 其他架构版 (无墨迹识别功能): Ink.Canvas.Ver.3.7.1-release.Arm64.zip, Ink.Canvas.Ver.3.7.1-release.x64.zip

What's Changed

• Adding reminder text by @CN-Ironegg in #65
• Add "Download from Microsoft Store" button by @CN-Ironegg in #68
• [feat] Unpin window in blackboard by @clover-yan in #66
• 添加切换颜色主题设置项 by @STBBRD in #70

New Contributors

• @clover-yan made their first contribution in #66
• @STBBRD made their first contribution in #70

Full Changelog: v3.7.0...v3.7.1