* start Router contract
* use calldata for function args
* var name changes
* start testing router contract
* test with and without abi.encode
* cleanup
* why tf isn't tests/utils working
* cleanup tests
* remove unused files
* wip
* fix router contract and tests, add set/update public keys funcs
* impl some Froms
* make execute non-reentrant
* cleanup
* update Router to use ReentrancyGuard
* update contract to use errors, use bitfield in Executed event, minor other fixes
* wip
* fix build issues from merge, tests ok
* Router.sol cleanup
* cleanup, uncomment stuff
* bump ethers.rs version to latest
* make contract functions take generic middleware
* update build script to assert no compiler errors
* hardcode pubkey parity into contract, update tests
* Polish coins/ethereum in various ways
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Co-authored-by: Luke Parker <lukeparker5132@gmail.com>
