Change from RESTEasy Classic to RESTEasy Reactive.

Change-Id: I3a3386c3a3a380b8217ac1667cc623625aeee532
diff --git a/src/main/java/eu/mulk/mulkcms2/benki/bookmarks/BookmarkResource.java b/src/main/java/eu/mulk/mulkcms2/benki/bookmarks/BookmarkResource.java
index 4d08298..40f7166 100644
--- a/src/main/java/eu/mulk/mulkcms2/benki/bookmarks/BookmarkResource.java
+++ b/src/main/java/eu/mulk/mulkcms2/benki/bookmarks/BookmarkResource.java
@@ -12,6 +12,7 @@
 import io.quarkus.qute.CheckedTemplate;
 import io.quarkus.qute.TemplateInstance;
 import io.quarkus.security.Authenticated;
+import io.smallrye.common.annotation.Blocking;
 import jakarta.json.JsonObject;
 import jakarta.transaction.Transactional;
 import jakarta.validation.constraints.NotEmpty;
@@ -38,6 +39,7 @@
 import org.jsoup.Jsoup;
 
 @Path("/bookmarks")
+@Blocking
 public class BookmarkResource extends PostResource {
 
   @CheckedTemplate(basePath = "benki/bookmarks")