Updated link to onboarding and fixed name

Why is this change being made?

We're consolidating and splitting out some of the Google Docs used for Programs. These changes are to match with the new locations of the files and renamed files so they're all aligned.

Author Checklist

• Provided a concise title for this Merge Request (MR)
• Added a description to this MR explaining the reasons for the proposed change, per say why, not just what

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