emqx4.3/changes/feat-12833.en.md

Added REST API endpoints and CLI commands for durable storage management.

New REST endpoints:

• /ds/sites
• /ds/sites/:site
• /ds/storages
• /ds/storages/:ds
• /ds/storages/:ds/replicas
• /ds/storages/:ds/replicas/:site

New CLI commands:

• ds set_replicas
• ds join
• ds leave