Introduce CustomersDot BillingAccount
# Description
[Account Data Architecture documentation](https://about.gitlab.com/company/quote-to-cash/#billing-account-master-data-object)
Please reference the proposal documentation for more information. This doc is the single source of truth for the direction of this epic and contains:
- Background and context
- Explanation of the problem
- Overall proposed solution
- Proposed Database schema diagram
- Brief explanation of future iterations
epic