Added in Dotnet interface with sharper through module flag

modules/lang/csharp/README.org

@@ -15,12 +15,14 @@ LSP).
 
 ** Module Flags
 + =+lsp= Enables omnisharp through LSP support (requires omnisharp).
++ =+dotnet= Enables Dotnet transient interface with Sharper 
 + =+unity= Enables special support for the [[https://unity.com/][Unity game engine]] (particularly,
   support for HLSL shaders).
 
 ** Plugins
 + [[https://github.com/josteink/csharp-mode][csharp-mode]]
 + [[https://github.com/omajid/csproj-mode][csproj-mode]]
++ [[https://github.com/sebasmonia/sharper][sharper]]  (=+dotnet=)
 + [[https://github.com/OmniSharp/omnisharp-emacs][omnisharp]]* (not =+lsp=)
 + [[https://github.com/midnightSuyama/shader-mode][shader-mode]]* (=+unity=)
 
@@ -31,6 +33,7 @@ This module needs:
   it, use ~M-x omnisharp-install-server~)
 + .NET SDKs (on Windows)
 + Mono (on UNIX platforms)
++ .NET Core 1.X - 3.X or .NET 5 for cross platform
 
 ** TODO MacOS
 ** Arch Linux