Apply the same editorconfig rules to both markdown and asciidoc files

Author: Bargs

.editorconfig

@@ -9,6 +9,6 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.md]
+[*.{md,asciidoc}]
 trim_trailing_whitespace = false
 insert_final_newline = false