v1.1 完成转PDF等功能并完善markdown可视化

完成md转pdf功能
完善markdown可视化中的数学公式等显示

What's Changed

• Update dotnet-desktop.yml by @Fireratt in #1
• V1.1 Release by @Fireratt in #2

New Contributors

• @Fireratt made their first contribution in #1

Full Changelog: Release...v1.1release