Merge pull request #11 from zdover23/docs-2026-03-13-docs-architecture-chorus

Add "Chorus" to Architecture page

Author: senolcolak

docs/architecture/chorus.md

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+---
+title: Chorus
+---
+
+# Chorus 
+
+Chorus is data replication software designed for Object Storage systems,
+supporting S3 and OpenStack Swift APIs. It enables zero-downtime migration
+between storage systems, maintains synchronized backups for disaster recovery,
+and verifies migration integrity through consistency checks.
+
+Chorus operates through two main components: Chorus Proxy, an S3 proxy that
+captures changes, and Chorus Worker, which processes replication tasks and
+webhook events. Users configure storage credentials, designating one endpoint
+as "main" while others become "followers." Requests route through Chorus's S3
+API to the main storage and asynchronously replicate to follower endpoints.
+
+The system supports user-level and bucket-level replication policies, allowing
+users to pause and resume replication via web admin UI or CLI. Chorus handles
+initial replication of existing data in the background and can accept change
+events via webhooks when proxy deployment isn't feasible, supporting S3 bucket
+notifications and Swift access-log events.