chore/feat: add checkout.sh

[mzz2017]

Background

Checkout dae-wing or dae-core to given branch.

Usage

$ bash checkout.sh -h
Usage:
  checkout.sh [command]
 
Available commands:
  core <branch>       checkout dae-core to given branch
  wing <branch>       checkout dae-wing to given branch
  help                show this help message

Examples:

bash checkout.sh core feat_juice
bash checkout.sh wing wait_network_for_wan

Checklist

• The Pull Request has been fully tested
• There's an entry in the CHANGELOGS
• There is a user-facing docs PR against https://github.com/daeuniverse/dae

[piyoki]

This is a nice-to-have feature!

[piyoki]

Thanks for your efforts!

[mzz2017]

@yqlbu I need more tests. Could you please help?

[dae-prow]

❌ Your branch is currently out-of-sync to main. No worry, I will fix it for you.