* create module with FeeModels, unit tests, and abstract fee schedule. All tests must pass using a mock fee schedule. * load all fees from disk using the fees proto. * All fees loaded from disk. No hard coded fallbacks. * Implement final version of fee component split and JSON format update. * Change Fees record to support USD and fee details. * Consensus, File service use new simple fees behind feature flag w/ tests * Update Crypto Service to use new simple fees behind feature flag w/ tests * REST service for estimating fees in the mirror nodes. * Merge to the main branch but disabled behind a flag.
