Add LabAPI plugin dotnet new template

.editorconfig

@@ -0,0 +1,23 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = crlf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.cs]
+indent_style = space
+indent_size = 4
+dotnet_sort_system_directives_first = true
+csharp_new_line_before_open_brace = all
+csharp_prefer_braces = true:suggestion
+
+# Naming and language conventions here reflect this project's own style; they
+# do not by themselves enforce the "no unsolicited comments" / "English by
+# default" rules in AGENTS.md / CLAUDE.md, which apply to any human or AI
+# contributor regardless of what an analyzer can mechanically check.
+
+[*.{csproj,json,yml,yaml}]
+indent_style = space
+indent_size = 2