Feature request: re-use configuration fragments in yaml

Drone Support
1

It can be nice to prevent some boilerplate code in pipeline yaml.
But now yaml anchors can not be used https://github.com/drone/drone/issues/2323
May be better to use configuration fragments like in docker-compose v3.4+ ?
https://docs.docker.com/compose/compose-file/#extension-fields

version: '2.1'
x-logging:
  &default-logging
  options:
    max-size: '12m'
    max-file: '5'
  driver: json-file

services:
  web:
    image: myapp/web:latest
    logging: *default-logging
  db:
    image: mysql:latest
    logging: *default-logging