[META] [Genesis] genesis generate

[zivkovicmilos]

Description

Task copied from the master issue: #1203

generate

The generate subcommand should generate a genesis.json file on disk.

Flags

• --output-path - the output path for the genesis.json. If there is a genesis.json already there, the command fails
• --genesis-time - unix time for the genesis block
• --chain-id - the ID of the chain
• --block-max-tx-bytes - the max size of the block transaction
• --block-max-data-bytes - the max size of the block data
• --block-max-gas - the max gas limit for the block
• --block-time-iota - the block time iota (in ms)

PR against branch: feat/genesis

[zivkovicmilos]

Added as part of 5033232