Implemented and tested contracts

ABI documentation and an independently reviewed launch.json.

Deploy MarginaliaAnnex (src/MarginaliaAnnex.sol) on Ethereum mainnet: ONE contract, constructor (address hook, address intake, bytes32 action, address signer) = (0xf0457dd0cf526686190e4f057ba19db14d34a0cc the live MarginaliaHook of launch 1283, 0x1397434cd35e8a9C8aC312A61D3A285EB31dea56 the IdentityMD Intake, bytes32('oracle.request@oracle-1') the oracle action, …