v1.1.0 to fix multiple-definitions linker error

### Releases v1.1.0

1. Fix `multiple-definitions` linker error and weird bug related to `src_cpp`. Check [Different behaviour using the src_cpp or src_h lib #80](khoih-prog/ESPAsync_WiFiManager#80)
2. Optimize library code by using `reference-passing` instead of `value-passing`
3. Update all examples

Author: khoih-prog

CONTRIBUTING.md

@@ -14,8 +14,8 @@ 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. 1.8.16) or Platform.io version
-* `ArduinoCore-mbed` Core Version (e.g. `ArduinoCore-mbed` mbed_portenta core v2.5.2)
+* Arduino IDE version (e.g. 1.8.19) or Platform.io version
+* `ArduinoCore-mbed` Core Version (e.g. `ArduinoCore-mbed` mbed_portenta core v2.6.1)
 * `Portenta_H7` Board type (e.g. Portenta_H7 Rev2 ABX00042, etc.)
 * Contextual information (e.g. what you were trying to achieve)
 * Simplest possible steps to reproduce
@@ -27,11 +27,11 @@ Please ensure to specify the following:
 ### Example
 
 ```
-Arduino IDE version: 1.8.16
-`ArduinoCore-mbed` mbed_portenta core v2.5.2
+Arduino IDE version: 1.8.19
+`ArduinoCore-mbed` mbed_portenta core v2.6.1
 Portenta_H7 Rev2 ABX00042
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.4.0-86-generic #97-Ubuntu SMP Fri Sep 17 19:19:40 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
+Linux xy-Inspiron-3593 5.4.0-91-generic #102-Ubuntu SMP Fri Nov 5 16:31:28 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
 I encountered an endless loop while trying to connect to Local WiFi.