Update Sources/swift-openapi-generator/Documentation.docc/Proposals/SOAR-0014.md

Author: czechboy0

Sources/swift-openapi-generator/Documentation.docc/Proposals/SOAR-0014.md

@@ -6,7 +6,7 @@ Allow using user-defined types instead of generated ones
 
 - Proposal: SOAR-0014
 - Author(s): [simonbility](https://github.com/simonbility)
-- Status: **Awaiting Review**
+- Status: **Implemented (1.9.0)**
 - Issue: [apple/swift-openapi-generator#375](https://github.com/apple/swift-openapi-generator/issues/375)
 - Implementation:
     - [apple/swift-openapi-generator#764](https://github.com/apple/swift-openapi-generator/pull/764)