gh-165 Update changlog

Signed-off-by: Victor Chang <[email protected]>

Author: mocsharp

docs/changelog.md

@@ -16,9 +16,16 @@
 
 
 # Changelog
+
+## 0.3.1
+
+[GitHub Milestone 0.3.2](https://github.com/Project-MONAI/monai-deploy-informatics-gateway/milestone/8)
+
+- New [C-ECHO API](api/rest/config.md) to perform a DICOM C-ECHO to a configured DICOM destination.
+
 ## 0.3.1
 
-[GitHub Milestone 0.3.0](https://github.com/Project-MONAI/monai-deploy-informatics-gateway/milestone/7)
+[GitHub Milestone 0.3.1](https://github.com/Project-MONAI/monai-deploy-informatics-gateway/milestone/7)
 
 - The SCU AE Title is now uppercase MONAISCU.
 - Update fo-dicom to 5.0.3
@@ -28,7 +35,7 @@
 
 [GitHub Milestone 0.3.0](https://github.com/Project-MONAI/monai-deploy-informatics-gateway/milestone/3)
 
-- Adds a basic [FHIR service](api/rest/config.md) to accept any versions of FHIR.
+- Adds a basic [FHIR service](api/rest/fhir.md) to accept any versions of FHIR.
 - Updates [Health Check API](api/rest/health.md) to replace `/health/live` and `/health/ready` APIs with `/health` API.
 
 ## 0.2.0