v1.0.0 for LittleFS and FATFS

### Initial Releases v1.0.0

1. Initial coding to support MBED nRF52840-based boards such as **Nano_33_BLE, Nano_33_BLE_Sense**, etc. using [**Arduino-mbed mbed_nano** core](https://github.com/arduino/ArduinoCore-mbed)

Author: khoih-prog

README.md

@@ -29,7 +29,7 @@
 * [Debug Terminal Output Samples](#debug-terminal-output-samples)
   * [1. FS_Counting on Nano 33 BLE with LittleFS size 256KB](#1-fs_counting-on-nano-33-ble-with-littlefs-size-256kb)
   * [2. FS_Test on Nano 33 BLE with LittleFS size 256KB](#2-fs_test-on-nano-33-ble-with-littlefs-size-256kb)
-  * [3. FS_Test on Nano 33 BLE with FATFS size 256KB](#2-fs_test-on-nano-33-ble-with-fatfs-size-256kb)
+  * [3. FS_Test on Nano 33 BLE with FATFS size 256KB](#3-fs_test-on-nano-33-ble-with-fatfs-size-256kb)
 * [Debug](#debug)
 * [Troubleshooting](#troubleshooting)
 * [Releases](#releases)