Merge pull request SwissCovid#10 from DP-3T/feature/config-default-values

fix github action to use SNAPSHOT tag

Author: ubamrein

.github/workflows/maven.yml

@@ -34,7 +34,7 @@ jobs:
       id: create_release
       with:
         name: Snapshot Release ${{ github.ref }}
-        tag: ${{ github.ref }}
+        tag: SNAPSHOT
         artifacts: "dpppt-config-backend/target/dpppt-config-backend-*-SNAPSHOT.jar"
         body: |
             Changes in this Release

dpppt-config-backend/src/main/java/org/dpppt/switzerland/backend/sdk/config/ws/model/ConfigResponse.java

@@ -12,7 +12,7 @@ public class ConfigResponse {
 
 	private InfoBoxCollection infoBox = null;
 
-	private SDKConfig sdkConfig = null;
+	private SDKConfig sdkConfig = new SDKConfig();
 
 	public boolean isForceUpdate() {
 		return forceUpdate;