v1.3.0 to add support to ESP32-S2

### Releases v1.3.0

1. Add support to ESP32-S2 and ESP32-C3
2. Update examples

Author: khoih-prog

CONTRIBUTING.md

@@ -15,8 +15,8 @@ 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. 1.8.13) or Platform.io version
-* `ESP32` Core Version (e.g. ESP32 v1.0.4)
-* `ESP32` Board type (e.g. WEMOS LOLIN32, ESP32 Dev Module, etc.)
+* `ESP32` Core Version (e.g. ESP32 core v1.0.6)
+* `ESP32` Board type (e.g. ESP32_DEV Module, ESP32_S2_DEV, etc.)
 * 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:
@@ -28,13 +28,13 @@ Please ensure to specify the following:
 
 ```
 Arduino IDE version: 1.8.13
-ESP32 Core Version 1.0.4
-ESP32 Dev Module
+ESP32 Core Version 1.0.6
+ESP32S2_DEV Module
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.4.0-51-generic #56-Ubuntu SMP Mon Oct 5 14:28:49 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
+Linux xy-Inspiron-3593 5.4.0-72-generic #80-Ubuntu SMP Mon Apr 12 17:35:00 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
-I encountered a crash while using TimerInterrupt.
+I encountered a crash while using ESP32TimerInterrupt.
 
 Steps to reproduce:
 1. ...