Migration from v0.2.x to v0.3.x

BREAKING CHANGES

Rename Devnet chain name in dev.toml config from offckb to standard ckb_dev
Rename sync-config to sync-scripts
Rename deployed-scripts to my-scripts
Templates offckb.config.ts file are refactored with NEW structure

Add new commands

proxy-rpc
system-scripts
debug
mol
transfer-all
repl