chore: add etc and celo for batcher contract#217

shivam-bitgo wants to merge 1 commit intomasterBitGo/eth-multisig-v4:masterfrom

COIN-3800-add-celo-etc-deploy-batcherBitGo/eth-multisig-v4:COIN-3800-add-celo-etc-deploy-batcherCopy head branch name to clipboard