Bookmarks: Add Atom feed.

Change-Id: I902473b6bffa10afa0cb2295d365d50335de9021
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 886db80..4237503 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -7,6 +7,8 @@
 #quarkus.log.category."io.vertx.ext.auth.oauth2".level = FINEST
 #quarkus.log.category."io.vertx.ext.jwt".level = FINEST
 
+mulkcms.tag-base = hub.benkard.de
+
 quarkus.datasource.driver = org.postgresql.Driver
 quarkus.datasource.max-size = 8
 quarkus.datasource.min-size = 0
diff --git a/src/main/resources/templates/benki/bookmarks/bookmarkList.html b/src/main/resources/templates/benki/bookmarks/bookmarkList.html
index a53abdd..7d23d45 100644
--- a/src/main/resources/templates/benki/bookmarks/bookmarkList.html
+++ b/src/main/resources/templates/benki/bookmarks/bookmarkList.html
@@ -7,7 +7,9 @@
 {#siteSection}Bookmarks{/siteSection}
 {#bookmarksClass}this-page{/bookmarksClass}
 
-{#head}{/head}
+{#head}
+  <link href="/bookmarks/feed" rel="alternate" type="application/atom+xml" />
+{/head}
 
 {#body}