Add encode command

[jrchatruc]

🌟 Feature Request

📝 Description

This command should take a function's signature along with arguments to call it with and return the encoded representation of that call as a hexstring. This is useful when trying to perform a call or send, which in the --data field require this encoding.

You can check out the encode command on this CLI for examples.

🤔 Rationale

🖼️ Mockups/Examples

zksync-cli contract encode --function "function someFunction(address)" --arguments 0x979a29A9347A773b2fB44D93D148D152ad9c23F0 --types address

📋 Additional Context