Add Mainnet information to the README. (#1336) #180

Job	Run time
Release	3m 27s
Publish Deployer Version ${{ needs.release.outputs.contracts }}	0s
Publish ci-builder ${{ needs.release.outputs.ci-builder }}	0s
Publish Data Transport Layer Version ${{ needs.release.outputs.data-transport-layer }}	0s
Publish batch-submitter Version ${{ needs.release.outputs.batch-submitter }}	0s
Publish Fault Detector Version ${{ needs.release.outputs.fault-detector }}	0s
Publish foundry ${{ needs.release.outputs.foundry }}	0s
Publish Gas Oracle Version ${{ needs.release.outputs.gas-oracle }}	0s
Publish Hardhat Node ${{ needs.release.outputs.hardhat-node }}	0s
Publish Integration tests ${{ needs.release.outputs.integration-tests }}	0s
Publish L2Geth Version ${{ needs.release.outputs.l2geth }}	0s
Publish l2geth-exporter Version ${{ needs.release.outputs.l2geth-exporter }}	0s
Publish Message Relayer Version ${{ needs.release.outputs.message-relayer }}	0s
Publish Replica Healthcheck Version ${{ needs.release.outputs.replica-healthcheck }}	0s
Publish proxyd Version ${{ needs.release.outputs.proxyd }}	0s
	3m 27s

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