Supported Features update provider management

Update release notes, technical debt section to include improvements related with supported Features.

changed milestone to %Release 3

added ScopeDocumentation label

added ocf#39 as parent epic

assigned to @guillermo.sanzlopez

created branch OCF-Doc40-supported-features-update-provider-management to address this issue

mentioned in merge request !43 (merged)

mentioned in commit 1f1e07a1

closed with merge request !43 (merged)