[Improvement][Log4js]: Logging Readability

[dmakeroam]

It would be good if levis logging could be readable, maintainable.

[aaronamm]

@dmakeroam, I found you have configured/set up log4js in the project already. Is there anything I can help for this issue or we should close it?

Thanks.

https://github.com/kubeopsskills/levis/blob/develop/main.ts#L8