Added these lines of code in codelab.json which - #940

rules:
  master:
    regex:
      - /master/gi
    level: warning
    alternatives:
      - primary
      - main
      - leader
      - active
      - writer
  slave:
    regex:
      - /slave/gi
    level: warning
    alternatives:
      - secondary
      - node
      - worker
      - replica
      - passive
  whitelist:
    regex:
      - /white[_-]*list/gi
    level: warning
    alternatives:
      - include list
      - allow list
  blacklist:
    regex:
      - /black[_-]*list/gi
    level: warning
    alternatives:
      - exclude list
      - deny list
  grandfathered:
    regex:
      - /grandfathered/gi
    level: 'off'
    alternatives:
      - legacied
      - exempted
  sanity_check:
    regex:
      - /sanity[_-]*check/gi
    level: 'off'
    alternatives:
      - smoke test
      - confidence check
  man_hours:
    regex:
      - /man[_-]*hours/gi
    level: 'off'
    alternatives:
      - person-hours
      - human-hours
ignore:
  - .github/in-solidarity.yml
defaultMessage: >

  Please consider an alternative to `{{match}}`. 

  {{#if alternatives~}}


  Possibilities include: {{#each alternatives}}{{#if @index}},
  {{/if}}`{{this}}`{{/each}}

  {{~/if}}