change yoe to float from int in RdsUserViewModel

skill-tree/src/main/java/com/RDS/skilltree/viewmodels/RdsUserViewModel.java

@@ -20,7 +20,7 @@ public static class User {
         private Roles roles;
         private String linkedin_id;
         private Picture picture;
-        private int yoe;
+        private float yoe;
         private long github_created_at;
         private String github_display_name;
         private String github_id;