Document the IBM DDS on-boarding process

[jeffchew]

hahnrob created the following on May 28:

As a team member on the IBM Digital Design squad, I need to understand how a new team member is on-boarded in order to help them acclimate to the team and get up and running quickly.

Acceptance criteria

• [ ] Audit of the processes and tools
• [ ] Box documentation of the process and tools

Original issue: https://github.ibm.com/webstandards/digital-design/issues/908

[jeffchew]

On Sep 23, hahnrob commented: Onboarding process is documented in Box. DDS Onboarding Checklist