feat(nvs_flash): Added support for Block Data Layer storage provider

- BDL provider can be enabled vor NVS in the menuconfig option NVS_BDL_STACK
- Hierarchy of Partition class tree was adjusted and all operations were documented
- Class Partition is now derived from intrusive_list_node and ExceptionlessAllocable
- Class NVSPartition implements only the dual support for esp_partition and BDL
- Class NVSEncryptedPartition implements only encryption related extensions

components/nvs_flash/host_test/nvs_host_test/main/test_nvs_initialization.cpp

@@ -3,6 +3,7 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
+#include "sdkconfig.h"
 #include <catch2/catch_test_macros.hpp>
 #include "nvs.hpp"
 #include "nvs_partition_manager.hpp"