Fee exempt account request for BCOL partners

Currently, fee exemption will be approved based on the legislation partner provided. Request will pass to the team to set it up manually

TO BE: Add a new account type as fee exemption - a process for their account to be identifiable by their app so they can set themselves to no fee (not even $1 service fee)

Scenario 1: Account Type for client to select when set up as fee exemption account

We might need to begin understanding no fee account types for BCOL partner staff
we could extend the account type list to add a new type or types for our BCOL partners.

No files or tests are named. Start by locating the account-type setup and fee-calculation entry points, then determine how BCOL partner accounts are identified and configured. Done means a defined account type or types let eligible partners receive no transaction or service fee without manual setup.

Written by the indexing model from the issue text.