Merge pull request #228 from DuendeSoftware/dgb/update-editorconfig-20250319193223

Update .editorconfig

Author: maartenba

.editorconfig

@@ -0,0 +1,43 @@
+root = true
+
+[*]
+charset = utf-8
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+
+[*.cs]
+indent_size = 4
+
+# Remove this or Me qualification
+dotnet_diagnostic.IDE0003.severity = error
+dotnet_style_qualification_for_event = false:error
+dotnet_style_qualification_for_field = false:error
+dotnet_style_qualification_for_method = false:error
+dotnet_style_qualification_for_property = false:error
+
+# Use var instead of explicit type
+dotnet_diagnostic.IDE0007.severity = error
+csharp_style_var_elsewhere = true
+csharp_style_var_for_built_in_types = true
+csharp_style_var_when_type_is_apparent = true
+
+# Remove unnecessary using directives
+dotnet_diagnostic.IDE0005.severity = warning
+
+# Use language keywords instead of framework type names for type references 
+dotnet_diagnostic.IDE0049.severity = error
+dotnet_style_predefined_type_for_locals_parameters_members = true
+dotnet_style_predefined_type_for_member_access = true
+
+ # Formatting rule
+dotnet_diagnostic.IDE0055.severity = warning 
+dotnet_sort_system_directives_first = true
+
+# Require file header
+dotnet_diagnostic.IDE0073.severity = warning  
+file_header_template = Copyright (c) Duende Software. All rights reserved.\nLicensed under the MIT License. See LICENSE in the project root for license information.
+
+# Use file-scoped namespace
+dotnet_diagnostic.IDE0161.severity = error  
+csharp_style_namespace_declarations = file_scoped