CSharpier is implemented as a dotnet tool and can be installed with the following commands.
# if you don't yet have a .config/dotnet-tools.json file
dotnet new tool-manifest
dotnet tool install csharpier
This will as a local dotnet tool for the directory these commands are run from. This ensures the project gets the correct version of CSharpier.
Dotnet tools can also be installed globally with the following command.
dotnet tool install -g csharpier