devfile library should be able to parse version specified in parent reference #765
Description
Which area this feature is related to?
/area library
Which functionality do you think we should add?
Why is this needed? Is your feature request related to a problem?
sub issue for #735
Detailed description:
Devfile Library change required for multi-version stacks/sample support. Devfile library should be able to parse version specified in parent reference.
Describe the solution you'd like
parse the new property version under parent, and call corresponding registry /v2/index endpoint to get the parent devfile content.
tests should be implemented to cover the new use case.