v1.6.0 to add support to RP2040 and ESP32-S2

### Major Releases v1.6.0

1. Add support to **MBED RP2040 boards** such as **Nano_RP2040_Connect, RASPBERRY_PI_PICO**, using [**Arduino-mbed RP2040** core](https://github.com/arduino/ArduinoCore-mbed)
2. Add support to **RP2040-based boards such as **RASPBERRY_PI_PICO, ADAFRUIT_ITSYBITSY_RP2040, ADAFRUIT_QTPY_RP2040, ADAFRUIT_STEMMAFRIEND_RP2040, ADAFRUIT_TRINKEYQT_RP2040, ADAFRUIT_MACROPAD_RP2040, SPARKFUN_PROMICRO_RP2040, etc.**, using [**Earle Philhower's arduino-pico** core](https://github.com/earlephilhower/arduino-pico)
3. Add support to **ESP32-S2** such as **Saola, AI-Thinker ESP-12K, etc.**
4. Update for many other boards
5. Add and Update examples

Author: khoih-prog

library.properties

@@ -1,5 +1,5 @@
 name=TimerInterrupt_Generic
-version=1.5.0
+version=1.6.0
 author=Khoi Hoang <khoih.prog@gmail.com>
 maintainer=Khoi Hoang <khoih.prog@gmail.com>
 sentence=This library enables you to use Interrupt from Hardware Timers on supported Arduino boards such as AVR, Mega-AVR, ESP8266, ESP32, ESP32-S2, SAMD, SAM DUE, nRF52, STM32F/L/H/G/WB/MP1, Teensy, Nano-33-BLE, RP2040-based boards, etc.