v1.2.1 to add support to Seeeduino nRF52

### Releases v1.2.1

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 `Packages' Patches` to add Seeeduino `nRF52` core

Author: khoih-prog

README.md

@@ -241,7 +241,7 @@ https://github.com/khoih-prog/NRF52_ISR_Servo/blob/b954f20cb0826762417909906c346
 
 #### 1. File [nRF52_MultipleServos.ino](examples/nRF52_MultipleServos/nRF52_MultipleServos.ino)
 
-https://github.com/khoih-prog/NRF52_ISR_Servo/blob/b954f20cb0826762417909906c3467bc0d7cc603/examples/nRF52_MultipleServos/nRF52_MultipleServos.ino#L45-L126
+https://github.com/khoih-prog/NRF52_ISR_Servo/blob/f6d96bce3ab30a82906fa0e13f514edd9f939c9f/examples/nRF52_MultipleServos/nRF52_MultipleServos.ino#L45-L121
 
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