Adding package-info.java files for two new packages

Signed-off-by: Rishikesh1159 <[email protected]>

Author: Rishikesh1159

server/src/main/java/org/opensearch/indices/replication/checkpoint/package-info.java

@@ -0,0 +1,10 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+/** Package containing classes to implement a replication checkpoint */
+package org.opensearch.indices.replication.checkpoint;

server/src/main/java/org/opensearch/indices/replication/copy/package-info.java

@@ -0,0 +1,10 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+/** Package containing classes to implement a copy of replication */
+package org.opensearch.indices.replication.copy;