R4A_I2C: Add Robots-For-All I2C support library

[LeeLeahy2]

No description provided.

[github-actions]

❌ ERROR: Arduino Lint found errors with https://github.com/LeeLeahy2/R4A_I2C:

Linting library in R4A_I2C
ERROR: Path does not contain a valid Arduino library.                         
       See: https://arduino.github.io/arduino-cli/latest/library-specification
       (Rule LS001)                                                           
INFO: No header file found matching library name (R4A_I2C.h). Best practices are for primary header filename to match   
      library name.                                                                                                     
      See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format            
      (Rule LS008)                                                                                                      
WARNING: library.properties includes field item(s) R4A_I2C.h not found in library.                             
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP052)                                                                                          
WARNING: No example sketches found. Please provide examples.                                      
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD004)                                                                             

Linter results for project: 1 ERRORS, 2 WARNINGS

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[github-actions]

Hi @LeeLeahy2.
There was an unexpected failure during automated processing of your pull request.
This error is unrelated to the content of your pull request.

A maintainer has been notified and will investigate as soon as possible.

[per1234]

@ArduinoBot please check it again

[github-actions]

Hello! I'm checking your submission again.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/LeeLeahy2/R4A_I2C:

Linting library in R4A_I2C
WARNING: No example sketches found. Please provide examples.                                      
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD004)                                                                             

Linter results for project: 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/LeeLeahy2/R4A_I2C/