Update overview-architecture.md
Update overview-architecture.md

RaptorRCX/exercism.io,treiff/exercism.io,treiff/exercism.io,treiff/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io,treiff/exercism.io,tejasbubane/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io