add_label_ready_comment.yml

name: Add Ready Label on Ready Comment

on:
  issue_comment:
    types: [created]

jobs:
  add-ready-label:
    runs-on: ubuntu-latest
    if: github.event.issue.pull_request && contains(github.event.comment.body, '/ready')
    steps:
        -   name: Add label
            uses: actions/github-script@v5
            with:
                script: |
                    github.rest.issues.addLabels({
                        owner: context.repo.owner,
                        repo: context.repo.repo,
                        issue_number: context.issue.number,
                        labels: ['ready']
                    })
            env:
                GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}