Add contributions to acknowledgement page (backport #217)

[mergify]

This is an automatic backport of pull request #217 done by Mergify.
Cherry-pick of b1b7e26 has failed:

On branch mergify/bp/iron/pr-217
Your branch is up to date with 'origin/iron'.

You are currently cherry-picking commit b1b7e26.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   .github/workflows/ci-format.yml
	modified:   README.md
	new file:   _static/tabs.js
	modified:   doc/acknowledgements/acknowledgements.rst
	renamed:    make_help_scripts/add_review_stats -> make_help_scripts/add_pr_stats
	modified:   make_help_scripts/add_sub_repos
	modified:   make_help_scripts/add_tmp_commits
	renamed:    make_help_scripts/create_reviewer_stats.py -> make_help_scripts/create_pr_stats.py
	modified:   make_help_scripts/deploy_defines

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   .github/workflows/pr-stats.yml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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