v1.9.0 to fix ESP32 chipID

### Releases v1.9.0

1. Fix ESP32 chipID. Check [Help for storing variables in memory (non-volatile) #87](khoih-prog/ESP_WiFiManager#87 (comment))
2. Add ESP32 getChipID() and getChipOUI() functions
3. Remove dependency on `LittleFS_esp32` library to prevent PIO error when using new ESP32 core v1.0.6+

Author: khoih-prog

CONTRIBUTING.md

@@ -15,7 +15,7 @@ If you don't find anything, please [open a new issue](https://github.com/khoih-p
 Please ensure to specify the following:
 
 * Arduino IDE version (e.g. 1.8.19) or Platform.io version
-* Board Core Version (e.g. ESP8266 core v3.0.2, ESP32 core v2.0.2)
+* `ESP8266` or `ESP32` Core Version (e.g. ESP8266 core v3.0.2 or ESP32 v2.0.4)
 * Contextual information (e.g. what you were trying to achieve)
 * Simplest possible steps to reproduce
 * Anything that might be relevant in your opinion, such as:
@@ -27,10 +27,9 @@ Please ensure to specify the following:
 
 ```
 Arduino IDE version: 1.8.19
-ESP32_DEV board
-ESP32 core v2.0.2
+ESP8266 Core Version 3.0.2
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.4.0-100-generic #113-Ubuntu SMP Thu Feb 3 18:43:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
+Linux xy-Inspiron-3593 5.15.0-46-generic #49~20.04.1-Ubuntu SMP Thu Aug 4 19:15:44 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
 The board couldn't autoreconnect to Local Blynk Server after router power recycling.