Add .editorconfig.

See https://editorconfig.org/ for more information.
5 jobs for editorconfig in 2 minutes and 59 seconds (queued for 15 seconds)
Status Job ID Name Coverage
  Build
passed build:lib #22620
docker

00:02:00

 
  Test
passed test:lib #22621
docker

00:00:58

 
  Trigger
passed trigger:android

passed trigger:javascript

passed trigger:python