docs: enhance couchbase repository

Signed-off-by: Otavio Santana <[email protected]>

Author: otaviojava

jnosql-couchbase/src/main/java/org/eclipse/jnosql/databases/couchbase/mapping/CouchbaseRepository.java

@@ -19,12 +19,10 @@
 
 /**
  * A Couchbase-specific extension of {@link NoSQLRepository}.
- * <p>
  * This repository interface provides built-in CRUD operations and supports dynamic queries
  * using the {@link N1QL} annotation for executing Couchbase N1QL queries.
- * </p>
  *
- * <h2>Example Usage</h2>
+ * Example Usage
  * <pre>{@code
  * @Repository
  * interface UserRepository extends CouchbaseRepository<User, String> {