Implement more NodeJS Client/Node Features

• Performance, permission, and standards updates to contracts.
• Sync deposits, transfers, and single pubkey registrations + pack transfers in L2 node.

What’s Changed

• 1 << x -> 2 ** x in TS to prevent overflow issues. (#579) @jacque006
• Update README.md (#576) @aliatiia
• bump hardhat for berlin (#551) @ChihChengLiang
• revamp keyless deployer (#536) @ChihChengLiang
• add audit report by Igor (#535) @ChihChengLiang
• revamp bls signer (#529) @ChihChengLiang

📝 Changes in the contracts

• Add access control to setRollupAddress in DepositManager and Vault contracts (#597) @jacque006
• EIP-712 Domain (#596) @jacque006
• Cheaper create2Transfer fraud proof (#595) @jacque006
• Simplify DepositQueued event (#562) @jacque006
• Update prettier-plugin-solidity (#560) @jacque006

🚀 Changes in the client

• Batch & Transaction Memory Storage (#580) @jacque006
• Update NodeJS dependencies. (#563) @jacque006
• Deposit Sync II: Electric Boogaloo (#573) @jacque006
• Sync DepositQueued event (#569) @jacque006
• Sync public key registration (#556) @jacque006
• sig and nonce verification for packer (#549) @ChihChengLiang
• Move dependencies to a core api (#550) @ChihChengLiang
• Integrate tx pool (#547) @ChihChengLiang
• Some RPC (#545) @ChihChengLiang
• Prettify hex (#546) @ChihChengLiang
• avoid side effects of failing processTransfer (#543) @ChihChengLiang
• Packer (#537) @ChihChengLiang
• Wrap burn auction (#539) @ChihChengLiang
• rename burnAuction service to bidder (#538) @ChihChengLiang
• Adding Transfer to tests (#531) @ChihChengLiang
• Extract BatchHandlingStrategy (#528) @ChihChengLiang
• add integration test setup (#530) @ChihChengLiang
• add simple tokenbase (#527) @ChihChengLiang
• Tidy up genesis parsing (#525) @ChihChengLiang
• Minimal syncer (#511) @ChihChengLiang
• Deposit packing parsing (#522) @ChihChengLiang

🐛 BugFix

• Update prettier-plugin-solidity (#560) @jacque006