ButtonClickCheck : add

[dang-gun]

ButtonClickCheck add
https://github.com/dang-gun/Arduino_ButtonClickCheck

[github-actions]

Hi @dang-gun
A problem was found with your pull request:

❌ ERROR: Pull request removes newline from the end of a file.
Please add a blank line to the end of the file.

Please resolve this error. The checks will automatically run again once that is done.

More information:
https://github.com/arduino/library-registry/blob/main/README.md#if-the-problem-is-with-the-pull-request

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/dang-gun/Arduino_ButtonClickCheck:

Linting library in Arduino_ButtonClickCheck
WARNING: library.properties version value 1.0 is not compliant with the semver specification.
         See: https://semver.org/                                                            
         (Rule LP021)                                                                        
WARNING: Incorrect Arduino.h filename case in #include directive: Arduino_ButtonClickCheck/src/ButtonClickCheck.cpp:1:  
         #include "arduino.h" (Rule LC001)                                                                              
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, 3 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/dang-gun/Arduino_ButtonClickCheck/