where are the project file?

[ychaoliu]

Looks project files are missing? only data there.

[jfgirouxhome]

This repo is for exercice,
You need to run

dotnet new console -f net6.0 -n mslearn-dotnet-files -o .

as per step 5
https://docs.microsoft.com/fr-ca/learn/modules/dotnet-files/3-exercise-file-system