Update runtime files
diff --git a/runtime/compiler/dotnet.vim b/runtime/compiler/dotnet.vim
new file mode 100644
index 0000000..ac64084
--- /dev/null
+++ b/runtime/compiler/dotnet.vim
@@ -0,0 +1,39 @@
+" Vim compiler file
+" Compiler: dotnet build (.NET CLI)
+" Maintainer: Nick Jensen <nickspoon@gmail.com>
+" Last Change: 2022-12-06
+" License: Vim (see :h license)
+" Repository: https://github.com/nickspoons/vim-cs
+
+if exists("current_compiler")
+ finish
+endif
+let current_compiler = "dotnet"
+
+if exists(":CompilerSet") != 2 " older Vim always used :setlocal
+ command -nargs=* CompilerSet setlocal <args>
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+if get(g:, "dotnet_errors_only", v:false)
+ CompilerSet makeprg=dotnet\ build\ -nologo
+ \\ -consoleloggerparameters:NoSummary
+ \\ -consoleloggerparameters:ErrorsOnly
+else
+ CompilerSet makeprg=dotnet\ build\ -nologo\ -consoleloggerparameters:NoSummary
+endif
+
+if get(g:, "dotnet_show_project_file", v:true)
+ CompilerSet errorformat=%E%f(%l\\,%c):\ %trror\ %m,
+ \%W%f(%l\\,%c):\ %tarning\ %m,
+ \%-G%.%#
+else
+ CompilerSet errorformat=%E%f(%l\\,%c):\ %trror\ %m\ [%.%#],
+ \%W%f(%l\\,%c):\ %tarning\ %m\ [%.%#],
+ \%-G%.%#
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save