Added support for this to git.sr.ht a while ago. It's used to set your preferred tab width and to show a ruler at the max line limit (which default to 8 and 80

Added support for this to git.sr.ht a while ago. It's used to set your preferred tab width and to show a ruler at the max line limit (which default to 8 and 80 columns respectively if you don't have an editorconfig file).