Add .editorconfig file also for code style
Add .editorconfig file also for code style

This is just in case people are using editors that support
editor config (which is quite a lot of them).

ShadowKyogre/mikidown,ShadowKyogre/mikidown,kekh/mikidown,ShadowKyogre/mikidown,kekh/mikidown,kekh/mikidown