added data partitions and app loading logic

components/nanobake/src/partitions.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include "esp_err.h"
+
+#define MOUNT_POINT_ASSETS "/assets"
+#define MOUNT_POINT_CONFIG "/config"
+
+esp_err_t nb_partitions_init();