message: build: update .editorconfig
diff: -[*.{c,cc,cpp,h,hh}]
  -indent_style = space
  -indent_size = 2
  +root = true
  [*]
  +end_of_line = lf
  +insert_final_newline = true
  +trim_trailing_whitespace = true
  +charset = utf-8
  indent_style = space
  indent_size = 4
  +
  +[Makefile]
  +indent_style = tab
  +
  +[*.{c,cc,cpp,h,hh}]
  +indent_style = space
  +indent_size = 2
  