feat(cli): connect to cluster

[lizzy-0323]

Summary

Now we can use okctl to connect to cluster by sys tenant, the function for connecting to other tenant is in progress.

Solution Description

[CLAassistant]

All committers have signed the CLA.

[lizzy-0323]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.1 out of 2 committers have signed the CLA.✅ lizzy-0323❌ liziyi17

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done

[lizzy-0323]

All of the issues found in golang-ci are type check, and most of them seems to be in previous code.

By the way, I thick this is because, for the combined type, golang cicannot find the corresponding field or method.

[lizzy-0323]

@chris-sun-star Could you please see this?

[chris-sun-star]

@chris-sun-star Could you please see this? OK, Sorry for the late reply. Thanks for your contribution.

[lizzy-0323]

@chris-sun-star Could you please see this? OK, Sorry for the late reply. Thanks for your contribution.

Thanks again for your comment~ And I will fix the problem then.