working on wiki index

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

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

@@ -0,0 +1,21 @@
+package de.srsoftware.umbrella.core.model;
+
+import de.srsoftware.tools.Mappable;
+
+import java.util.Map;
+
+import static de.srsoftware.umbrella.core.Constants.ID;
+
+public class WikiPage implements Mappable {
+
+	private final long id;
+
+	public WikiPage(long id){
+		this.id = id;
+	}
+
+	@Override
+	public Map<String, Object> toMap() {
+		return Map.of(ID,id);
+	}
+}