add close issue flow

name: 'Close stale issues and PRs'

on:

  schedule:

    - cron: '30 1 * * *'

jobs:

  stale:

    runs-on: ubuntu-latest

    steps:

      - uses: actions/stale@v7

        with:

          repo-token: ${{ secrets.GITHUB_TOKEN }}

          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 7 days.'

          close-issue-message: 'This issue was closed because it has been stalled for 3 days with no activity.'

          days-before-stale: 7

          days-before-close: 3

          any-of-labels: 'needs-more-info,needs-demo,answered,fixed'