Update monocle version to 0.2.0

[kshitiz-okahu]

Proposed changes

Update monocle version to 0.2.0 for major upgrade

Types of changes

What types of changes does your code introduce to this project?

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added the necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules

[oi-raanne]

we need to update changelog.md