style: enforce purging of trailing whitespaces

Changed files
+1
+1
.editorconfig
···
indent_size = 2
indent_style = space
insert_final_newline = true
[*.cry]
insert_final_newline = false
···
indent_size = 2
indent_style = space
insert_final_newline = true
+
trim_trailing_whitespace = true
[*.cry]
insert_final_newline = false