added scores

Author: dwasinge

src/main/java/com/redhat/labs/lodestar/models/Engagement.java

@@ -1,6 +1,7 @@
 package com.redhat.labs.lodestar.models;
 
 import java.util.List;
+import java.util.Map;
 
 import javax.json.bind.annotation.JsonbProperty;
 
@@ -54,5 +55,6 @@ public class Engagement {
     private List<Artifact> artifacts;
     private String commitMessage;
     private List<UseCase> useCases;
+    private Map<String, Double> scores;
 
 }