Add an .editorconfig file

Some editors pick this file up to set default style options.

Change-Id: Ia043d0a3bd8730e3ec576e26e93fef7602fede56
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.sourcearcade.org/c/flashprog/+/62
Reviewed-by: Nico Huber <nico.h@gmx.de>
1 file changed