v1.8.2 to optimize code, etc.

### Release v1.8.2

1. Optimize code by using passing by `reference` instead of by `value`
2. Optional `Board_Name` in Menu. Check [option to remove board name from web page #25](khoih-prog/WiFiManager_NINA_Lite#25)
3. Add function `isConfigMode()` to signal system is in Config Portal mode.

Author: khoih-prog

CONTRIBUTING.md

@@ -27,9 +27,10 @@ Please ensure to specify the following:
 
 ```
 Arduino IDE version: 1.8.19
-ESP8266 Core Version 3.0.2
+ESP32_DEV board
+ESP32 core v2.0.2
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.4.0-99-generic #112-Ubuntu SMP Thu Feb 3 13:50:55 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
+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
 
 Context:
 The board couldn't autoreconnect to Local Blynk Server after router power recycling.