[WIP] Add support to read license from secret

[viveksyngh]

This commit add support to take licence from a kubernetes secret. A kubernetes secret can be created, which can be passed through helm chart. Previous flag is still present to provide backward comptability.

Signed-off-by: Vivek Singh [email protected]

• [ ] I have raised an issue to propose this change.

#67

Description

How Has This Been Tested?

How are existing users impacted? What migration steps/scripts do we need?

Checklist:

I have:

• [ ] updated the documentation and/or roadmap (if required)
• [x] read the CONTRIBUTION guide
• [x] signed-off my commits with git commit -s
• [ ] added unit tests

[alexellis]

Could you replace lincence with license in the commit message please?

[alexellis]

How Has This Been Tested? How are existing users impacted? What migration steps/scripts do we need?