Experimenting with linting yaml-s with eslint-plugin-yml

.eslintrc.yml

extends:
  - plugin:yml/standard
rules:
  yml/block-mapping:
    - error
    - always
  yml/block-sequence:
    - error
    - always
  yml/quotes:
    - error
    - prefer: single
      avoidEscape: true
  yml/no-multiple-empty-lines:
    - error
    - max: 1
  yml/flow-sequence-bracket-spacing:
    - error
    - always
  yml/plain-scalar:
    - error
    - always