Fushigi v0.6 Alpha

Fushigi Version v0.6 Alpha Release

Changelog:

• Begin some progress on accurate rendering of models in stages
• Improved BYML loading / saving with serialization
• Add in course thumbnails in course selection
• Support loading course names through a MSBT library
• Fixed miscellaneous crashes from adding / deleting actors
• Update Silk.NET to latest version as the newest version fixed ImGUI.NET issues
• Begin work on undo / redo
• Proper error logging in non-debug mode
• New and existing actors can now have their layer changed
• Other small fixes to prevent random crashes and bugs

THIS IS BY NO MEANS A COMPLETELY STABLE RELEASE. THINGS WILL BREAK!!!

Please install the .NET 8.0 runtime prior to running the application: https://dotnet.microsoft.com/en-us/download/dotnet/8.0

Please open any issues you have with this first release using the bug report template on the "Issues" tab.