docs: enhance graphdatabase supplier

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

jnosql-mapping/jnosql-mapping-graph/src/main/java/org/eclipse/jnosql/mapping/graph/GraphDatabaseManagerSupplier.java

@@ -0,0 +1,51 @@
+/*
+ *  Copyright (c) 2024 Contributors to the Eclipse Foundation
+ *   All rights reserved. This program and the accompanying materials
+ *   are made available under the terms of the Eclipse Public License v1.0
+ *   and Apache License v2.0 which accompanies this distribution.
+ *   The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
+ *   and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
+ *
+ *   You may elect to redistribute this code under either of these licenses.
+ *
+ *   Contributors:
+ *
+ *   Otavio Santana
+ */
+package org.eclipse.jnosql.mapping.graph;
+
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.enterprise.inject.Instance;
+import jakarta.enterprise.inject.Produces;
+import jakarta.inject.Inject;
+import org.apache.tinkerpop.gremlin.structure.Graph;
+import org.eclipse.jnosql.communication.graph.GraphDatabaseManager;
+
+import java.util.function.Supplier;
+
+/**
+ * A supplier for obtaining instances of {@link GraphDatabaseManager}.
+ * This supplier is {@link ApplicationScoped}, meaning that there will be a single instance
+ * per application context.
+ */
+@ApplicationScoped
+class GraphDatabaseManagerSupplier implements Supplier<GraphDatabaseManager> {
+
+    private final Instance<Graph> graphs;
+
+    @Inject
+    GraphDatabaseManagerSupplier(Instance<Graph> graphs) {
+        this.graphs = graphs;
+    }
+
+    GraphDatabaseManagerSupplier() {
+        this(null);
+    }
+
+    @Override
+    @Produces
+    public GraphDatabaseManager get() {
+        var graph = graphs.get();
+        return GraphDatabaseManager.of(graph);
+    }
+}