Federated StatefulSets feature

[dhilipkumars]

Feature Description

• One-line feature description (can be used as a release note): Federated StatefulSets
• Primary contact (assignee): @irfanurrehman
• Responsible SIGs: @kubernetes/sig-federation-feature-requests
• Design proposal link (community repo): design-proposal
• Reviewer(s) - (for LGTM) recommend having 2+ reviewers (at least one from code-area OWNERS file) agreed to review. Reviewers from multiple companies preferred: @quinton-hoole @shashidharatd @madhusudancs
• Approver (likely from SIG/area to which feature belongs): @quinton-hoole
• Feature target (which target equals to which milestone):
  • Alpha release target (1.7): Initial Implementation along with API

[idvoretskyi]

@irfanurrehman @quinton-hoole I've updated the feature description to fit the new template. Please, fill the empty fields in the new template (their actual state was unclear).

@idvoretskyi Done