v1.7.7 to fix compile error

### Releases v1.7.7

1. Fix compile error for ESP32 core v1.0.5-

README.md

@@ -222,7 +222,7 @@ It's using a web ConfigPortal, served from the `ESP32 / ESP8266`, and operating
  2. [`ESP8266 Core 3.0.2+`](https://github.com/esp8266/Arduino) for ESP8266-based boards. [![Latest release](https://img.shields.io/github/release/esp8266/Arduino.svg)](https://github.com/esp8266/Arduino/releases/latest/). To use ESP8266 core 2.7.1+ for LittleFS.
  3. [`ESP32 Core 2.0.1+`](https://github.com/espressif/arduino-esp32) for ESP32-based boards. [![Latest release](https://img.shields.io/github/release/espressif/arduino-esp32.svg)](https://github.com/espressif/arduino-esp32/releases/latest/)
  4. [`ESP_DoubleResetDetector v1.2.1+`](https://github.com/khoih-prog/ESP_DoubleResetDetector) if using DRD feature. To install, check [![arduino-library-badge](https://www.ardu-badge.com/badge/ESP_DoubleResetDetector.svg?)](https://www.ardu-badge.com/ESP_DoubleResetDetector). Use v1.1.0+ if using LittleFS for ESP32.
- 5. [`ESP_MultiResetDetector v1.2.0+`](https://github.com/khoih-prog/ESP_MultiResetDetector) if using MRD feature. To install, check [![arduino-library-badge](https://www.ardu-badge.com/badge/ESP_MultiResetDetector.svg?)](https://www.ardu-badge.com/ESP_MultiResetDetector).
+ 5. [`ESP_MultiResetDetector v1.2.1+`](https://github.com/khoih-prog/ESP_MultiResetDetector) if using MRD feature. To install, check [![arduino-library-badge](https://www.ardu-badge.com/badge/ESP_MultiResetDetector.svg?)](https://www.ardu-badge.com/ESP_MultiResetDetector).
  6. [`LittleFS_esp32 v1.0.6+`](https://github.com/lorol/LITTLEFS) for ESP32-based boards using LittleFS with ESP32 core v1.0.5-. To install, check [![arduino-library-badge](https://www.ardu-badge.com/badge/LittleFS_esp32.svg?)](https://www.ardu-badge.com/LittleFS_esp32). **Notice**: This [`LittleFS_esp32 library`](https://github.com/lorol/LITTLEFS) has been integrated to Arduino [ESP32 core v1.0.6+](https://github.com/espressif/arduino-esp32/tree/master/libraries/LITTLEFS) and you don't need to install it if using ESP32 core v1.0.6+
 
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