Add Ethereum L1 external accounts and payment instructions#286

jklein24 merged 3 commits intomainlightsparkdev/grid-api:mainfrom

03-20-add_ethereum_l1_external_accounts_and_payment_instructionslightsparkdev/grid-api:03-20-add_ethereum_l1_external_accounts_and_payment_instructionsCopy head branch name to clipboard