implemented /bookmark/<ID>/view

core/src/main/java/de/srsoftware/umbrella/core/model/Bookmark.java

@@ -2,6 +2,7 @@
 package de.srsoftware.umbrella.core.model;
 
 import static de.srsoftware.umbrella.core.Constants.*;
+import static de.srsoftware.umbrella.core.Util.markdown;
 import static java.time.ZoneOffset.UTC;
 
 import de.srsoftware.tools.Mappable;
@@ -27,7 +28,7 @@ public record Bookmark(long id, String url, String comment, LocalDateTime timest
 		return Map.of(
 				ID,id,
 				URL, url,
-				COMMENT, comment,
+				COMMENT, Map.of(SOURCE,comment,RENDERED,markdown(comment)),
 				TAGS, tags,
 				TIMESTAMP, timestamp.withNano(0)
 		);