Add ICM42605 sensor library.

[hydra]

Tested on custom ESP32-Pico-D4 and ESP32S3Pico hardware that I make.

• SPRacingRXN1 - https://shop.seriouslypro.com/spracingrxn1

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/hydra/arduino-ICM42605:

Linting library in arduino-ICM42605
WARNING: library.properties maintainer value Dominic Clifton <me+arduino+icm42605@dominicclifton.name> contains         
         "Arduino". 3rd party libraries are not maintained by Arduino.                                                  
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP057)                                                                                                   
WARNING: Unable to load the library.properties url field: 404 Not Found                                        
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP042)                                                                                          

Linter results for project: 0 ERRORS, 2 WARNINGS

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Linting sketch in arduino-ICM42605/examples/Advanced_I2C

Linter results for project: no errors or warnings

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Linting sketch in arduino-ICM42605/examples/Basic_I2C

Linter results for project: no errors or warnings

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Linting sketch in arduino-ICM42605/examples/Basic_SPI

Linter results for project: no errors or warnings

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Linting sketch in arduino-ICM42605/examples/FIFO_SPI

Linter results for project: no errors or warnings

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Linting sketch in arduino-ICM42605/examples/Interrupt_SPI

Linter results for project: no errors or warnings

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Linting sketch in arduino-ICM42605/examples/Stm32F722_SPI_Raw

Linter results for project: no errors or warnings

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Linter results for projects: 0 ERRORS, 2 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/hydra/arduino-ICM42605/