My default editorconfig

.editorconfig

# EditorConfig — https://editorconfig.org
# Establishes house indentation/line-ending conventions. dotnet format enforces these.
root = true

# Defaults for every file: CRLF, UTF-8, tidy whitespace. Indentation is set per file type below.
[*]
charset = utf-8
end_of_line = crlf
trim_trailing_whitespace = true
insert_final_newline = true

# C# — tabs (displayed 4 wide), CRLF.
[*.cs]
indent_style = tab
indent_size = 4
tab_width = 4
end_of_line = crlf

[*.cs]
# Newline preferences for standard named structures (Allman style)
csharp_new_line_before_open_brace = methods, types, control_flow

# Overrides to force same-line braces (K&R / JS style) for anonymous & inline elements
csharp_new_line_before_open_brace = anonymous_methods, anonymous_types, object_collection_array_initializers, lambda_expression:end_of_line

# JSON (appsettings, etc.) — 2-space, CRLF.
[*.json]
indent_style = space
indent_size = 2
end_of_line = crlf

# .config files (nlog.config, etc.) — tabs (displayed 4 wide), CRLF.
[*.config]
indent_style = tab
indent_size = 4
tab_width = 4
end_of_line = crlf