Missing license checker

[MonkeyCanCode]

Currently we don't have automated license checker in-placed. We should implement similar one as Apache Polaris.

[adam-christian-software]

Thanks for filing this, @MonkeyCanCode !

[MonkeyCanCode]

Thanks for filing this, @MonkeyCanCode !

So we do have license checks for couple tools but not all. Here is the PR for closing this gap: #71

[MonkeyCanCode]

Close as #80 is completed.