Trim trailing whitespace.

Author: chemodax

.editorconfig

@@ -2,14 +2,14 @@ root = true
 
 [*]
 indent_style = space
-insert_final_newline = true 
+insert_final_newline = true
 trim_trailing_whitespace = true
 
 [*.{cs,md}]
 guidelines = 80 dashed, 100
 
 [*.cs] 
-dotnet_sort_system_directives_first = true 
+dotnet_sort_system_directives_first = true
 
 csharp_style_var_for_built_in_types = false:suggestion
 csharp_style_var_when_type_is_apparent = false:suggestion