Enhance `forc_utils::cli_examples`

[crodas]

Add more tests to extend the help and add it to the unit tests.

• [ ] forc deploy with --default-signer, --testnet and --node-url
• [ ] forc build
• [ ] forc clean
• [ ] forc contract-id
• [ ] forc init
• [ ] forc new
• [ ] forc parse-bytecpde
• [ ] forc template
• [ ] forc test
• [ ] forc update