added jpa entity generator

templates/jpa-entity.java.mustache

@@ -65,7 +65,8 @@ public class {{name}} {
             ? this.{{name}}.stream()
                 .map({{type.baseType}}::toModel)
                 .collect(Collectors.toList()) 
-            : Collections.emptyList());
+            : Collections.emptyList()
+        );
         {{/type.isCollection}}{{^type.isCollection}}
         {{modelName}}.set{{namePascalCase}}(this.{{name}} != null ? this.{{name}}.toModel() : null);
         {{/type.isCollection}}