Add Portenta_H7_ISR_Servo Library

[khoih-prog]

Initial Releases v1.0.0

1. Basic 16 ISR-based servo controllers using 1 hardware timer for STM32H747XI-based Portenta_H7 boards

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/khoih-prog/Portenta_H7_ISR_Servo:

Linting library in Portenta_H7_ISR_Servo
WARNING: library.properties name value Portenta_H7_ISR_Servo is longer than the recommended length of 16 characters.    
         (Rule LP010)                                                                                                   

Linter results for project: 0 ERRORS, 1 WARNINGS

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Linting sketch in Portenta_H7_ISR_Servo/examples/Portenta_H7_ISR_MultiServos

Linter results for project: no errors or warnings

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Linting sketch in Portenta_H7_ISR_Servo/examples/Portenta_H7_MultipleRandomServos

Linter results for project: no errors or warnings

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Linting sketch in Portenta_H7_ISR_Servo/examples/Portenta_H7_MultipleServos

Linter results for project: no errors or warnings

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Linter results for projects: 0 ERRORS, 1 WARNINGS

[github-actions]

Your submission has now been accepted! Thanks for your contribution to the Arduino Library Manager index.

The library(s) will be available for installation via Library Manager within a day's time.

You can check the logs from the Library Manager indexer for your library(s) here:
http://downloads.arduino.cc/libraries/logs/github.com/khoih-prog/Portenta_H7_ISR_Servo/