Usage billing usage chart initial structure

What does this MR do and why?

Adds Usage Billing flat (no accumulation) daily usage data chart for Commitment, Overage, and Waiver (once we get it in the API) wallets

This MR would be first in this MR chain:

title	link
👉 Initial structure	Usage billing usage chart initial structure (!213057 - merged)
Data accumulation in graphs	Formatting data for Usage billing Daily usage c... (!214589)
UI polishes	N/A

References

• https://gitlab.com/gitlab-org/gitlab/-/issues/581436

Screenshots or screen recordings

See comment below

How to set up and validate locally

1. yarn storybook:start
2. open http://localhost:6006/?path=/story/ee-usage-quotas-usage-billing-app--default

MR acceptance checklist

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