Added Geo supports Docker Registry replication

Engineer(s): @vsizov

Content Checklist:

• Make sure feature description is positive and cheerful
• Check Feature name
• Check Feature availability (Core, Starter, Premium, Ultimate badges)
• Feature is added to data/features.yml (with accompanying screenshots)
• Check all images size < 300KB (compressed, max width 1000 pixels)
• Check that documentation is updated and easy to understand
• Check Documentation links (all feature blocks contain documentation_link)
• Run the content through an automated spelling and grammar check
• Validate all links are functional

Release post

• Release post: !29171 (merged)