Change spaces to 2 for new code (like Marlin)

Author: andrivet

.editorconfig

@@ -12,7 +12,7 @@ trim_trailing_whitespace = true
 insert_final_newline = true
 end_of_line = lf
 indent_style = space
-indent_size = 4
+indent_size = 2
 
 [{*.py,*.conf,*.sublime-project}]
 indent_style = tab