docs: enhance documentation at sql annotation

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

Author: otaviojava

jnosql-nosql-oracle/src/main/java/org/eclipse/jnosql/databases/oracle/mapping/SQL.java

@@ -63,5 +63,10 @@
 public @interface SQL {
 
 
+    /**
+     * The SQL query to associate with the annotated method or element.
+     *
+     * @return The SQL query to associate with the annotated method or element.
+     */
     String value();
 }