Set csharp_using_directive_placement to outside_namespace

Author: Hexer10

.editorconfig

@@ -114,7 +114,7 @@ csharp_style_unused_value_assignment_preference = discard_variable:suggestion
 csharp_style_unused_value_expression_statement_preference = discard_variable:silent
 
 # 'using' directive preferences
-csharp_using_directive_placement = inside_namespace:silent
+csharp_using_directive_placement = outside_namespace:suggestion
 
 #### C# Formatting Rules ####
 
@@ -203,4 +203,4 @@ dotnet_naming_style.pascal_case.capitalization = pascal_case
 dotnet_naming_style.begins_with_i.required_prefix = I
 dotnet_naming_style.begins_with_i.required_suffix =
 dotnet_naming_style.begins_with_i.word_separator =
-dotnet_naming_style.begins_with_i.capitalization = pascal_case
+dotnet_naming_style.begins_with_i.capitalization = pascal_case