added Rock Art mapping; fixed Site/monument mapping

dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/elasticsearch/model/ArchaeologicalResourceType.java

@@ -13,7 +13,7 @@ public class ArchaeologicalResourceType {
     private transient HashMap<String, Long> type =new HashMap<>();
 
     public ArchaeologicalResourceType() {
-        type.put("Scientific analysis", new Long(10));
+        type.put("Site/monument", new Long(10));
         type.put("Fieldwork", new Long(11));
         type.put("Fieldwork report", new Long(12));
         type.put("Scientific analysis", new Long(13));
@@ -22,6 +22,7 @@ public class ArchaeologicalResourceType {
         type.put("Fieldwork archive", new Long(16));
         type.put("Inscription", new Long(17));
         type.put("Burial", new Long(18));
+        type.put("Rock Art", new Long(19));
     }
 
     public long getId() {