Support using names in [[[markdown]]] when rendering

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/utils/RenderingContext.java

@@ -190,6 +190,7 @@ public class RenderingContext {
   private String changeVersion;
   
   private Map<KnownLinkType, String> links = new HashMap<>();
+  private Map<String, String> namedLinks = new HashMap<>();
   /**
    * 
    * @param context - access to all related resources that might be needed
@@ -720,5 +721,8 @@ public class RenderingContext {
     return this;
   }
 
-  
+  public Map<String, String> getNamedLinks() {
+    return namedLinks;
+  }
+
 }