v1.4.2 to add support to Seeeduino nRF52

### Releases v1.4.2

1. Add support to Seeeduino nRF52840-based boards such as **Seeed_XIAO_NRF52840 and Seeed_XIAO_NRF52840_SENSE**, etc. using Seeeduino `nRF52` core
2. Add astyle using `allman` style. Restyle the library
3. Update all examples

Author: khoih-prog

README.md

@@ -151,7 +151,7 @@ The catch is **your function is now part of an ISR (Interrupt Service Routine),
 
  1. [`Arduino IDE 1.8.19+` for Arduino](https://github.com/arduino/Arduino). [![GitHub release](https://img.shields.io/github/release/arduino/Arduino.svg)](https://github.com/arduino/Arduino/releases/latest)
  2. [`Adafruit nRF52 v1.3.0+`](https://github.com/adafruit/Adafruit_nRF52_Arduino) for nRF52 boards such as Adafruit NRF52840_FEATHER, NRF52832_FEATHER, NRF52840_FEATHER_SENSE, NRF52840_ITSYBITSY, NRF52840_CIRCUITPLAY, NRF52840_CLUE, NRF52840_METRO, NRF52840_PCA10056, PARTICLE_XENON, **NINA_B302_ublox**, etc. [![GitHub release](https://img.shields.io/github/release/adafruit/Adafruit_nRF52_Arduino.svg)](https://github.com/adafruit/Adafruit_nRF52_Arduino/releases/latest)
- 3. `Seeeduino nRF52 core 1.0.0+` for Seeeduino nRF52840-based boards such as **Seeed_XIAO_NRF52840 and Seeed_XIAO_NRF52840_SENSE**. [![GitHub release](https://img.shields.io/github/release/Seeed-Studio/Adafruit_nRF52_Arduino.svg)](https://github.com/Seeed-Studio/Adafruit_nRF52_Arduino/releases/latest)
+ 3. [`Seeeduino nRF52 core 1.0.0+`](https://github.com/Seeed-Studio/Adafruit_nRF52_Arduino) for Seeeduino nRF52840-based boards such as **Seeed_XIAO_NRF52840 and Seeed_XIAO_NRF52840_SENSE**. [![GitHub release](https://img.shields.io/github/release/Seeed-Studio/Adafruit_nRF52_Arduino.svg)](https://github.com/Seeed-Studio/Adafruit_nRF52_Arduino/releases/latest)
  4. [`Blynk library 1.1.0`](https://github.com/blynkkk/blynk-library/releases). [![Latest release](https://img.shields.io/github/release/blynkkk/blynk-library.svg)](https://github.com/blynkkk/blynk-library/releases/latest/) to use with certain example.
  5. To use with certain example, depending on which Ethernet card you're using:
    - [`Ethernet_Generic library v2.6.1+`](https://github.com/khoih-prog/Ethernet_Generic) for W5100, W5200 and W5500.  [![GitHub release](https://img.shields.io/github/release/khoih-prog/Ethernet_Generic.svg)](https://github.com/khoih-prog/Ethernet_Generic/releases/latest)