chore: add yaml section to .editorconfig (#80)

Author: WeilerP

.editorconfig

@@ -11,6 +11,14 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
 [makefile]
 end_of_line = lf
 charset = utf-8