add Github actions to lint go code

[qweeah]

What is the version of your ORAS CLI

1.0.0

What would you like to be added?

Use existing Github to do static code formatting scan for pull requests.

Why is this needed for ORAS?

As the number of contributor grows, adding such a CI job will help unifying coding style.

Are you willing to submit PRs to contribute to this feature?

• Yes, I am willing to implement it.

[kranurag7]

@qweeah I'm willing to work on this.

[FeynmanZhou]

@kranurag7 Thanks for your interest!

@qweeah Do you think we could assign this issue to @kranurag7 ?

[qweeah]

@kranurag7 Thanks for your interest!

@qweeah Do you think we could assign this issue to @kranurag7 ?

Yes of course.