Add Design Review notifications and dont necessitate receipts on RR form

[Peyton-McKee]

Changes

Added a section to the ntoification endpoint that also sounds out notifications for design reviews that are scheduled for that day.

No longer necessitate one receipt being added to a reimbursement request

Checklist

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• All checks passing
• Screenshots of UI changes (see Screenshots section)
• Remove any non-applicable sections of this template
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• No yarn.lock changes (unless dependencies have changed)
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Closes # (issue #)