Onboarding Stewart Addison to build-infra

[richardlau]

Checklist from https://github.com/nodejs/build/issues/2426

• [x] Add to secrets/build/infra, secrets/build/infra-mac and secrets/build/release
• [x] Add to admin@, accounts@ and build@ in email/iojs.org/aliases.json https://github.com/nodejs/email/pull/198
• [x] Github team membership: Doc: https://github.com/nodejs/build/pull/3042
  • [x] nodejs/build-infra
  • [x] nodejs/jenkins-admins
  • [x] nodejs/jenkins-release-admins
• [ ] Optional but recommended: DigitalOcean team membership (I think our admin_logins.md is wrong, we give access via individual accounts to the team)
• [ ] Optional: IBM Cloud team membership
• [ ] Optional: Equinix team membership (we may have to request this if it's needed / wanted)
• [ ] Optional: add phone # to Apple root account for 2fa (must be done while in direct contact with someone who has access)
• [ ] Discuss relationship with the LF - expenses, helpdesk, other?
• Discuss donor relationships, contacts, limits, sensitivities, deals, etc.
  • [ ] DigitalOcean
  • [ ] Rackspace
  • [ ] MacStadium
  • [ ] IBM / Softlayer
  • [ ] Microsoft / Azure
  • [ ] Scaleway
  • [ ] Joyent
  • [ ] Cloudflare
  • [ ] OSUOSL
  • [ ] Equinix / ARM
  • [ ] nearForm
• Discuss various pieces of infra:
  • [ ] Primary www server - lots to discuss, probably need to itemise some of this
  • [ ] Backup www server / unencrypted
  • [ ] Backup server
  • [ ] ci and ci-release - including firewall, disk space management, .. other?
  • [ ] nearForm hosted servers (benchmark & Apple)
  • [ ] ARM cluster?
  • [ ] gh-bot
  • [ ] unofficial-builds
• [ ] Discuss release pipeline?