Update repositories.txt

[AhmedYousryM]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/AhmedYousryM/NonBlockingSequence:

Linting library in NonBlockingSequence
WARNING: library.properties name value NonBlockingSequence is longer than the recommended length of 16 characters.
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format   
         (Rule LP010)                                                                                             
WARNING: library.properties version value 1 is not compliant with the semver specification.
         See: https://semver.org/                                                          
         (Rule LP021)                                                                      
WARNING: No license file found.                                                                                                                 
         See:                                                                                                                                   
         https://docs.github.com/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/licensing-a-repository
         (Rule LD002)                                                                                                                           
WARNING: Sketch(es) found outside examples and extras folders:                                    
           NonBlockingSequence/Examples/Chat_with_Arduino                                         
           NonBlockingSequence/Examples/Class_Functions                                           
           NonBlockingSequence/Examples/Two_Blinking_led                                          
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD003)                                                                             
WARNING: No example sketches found. Please provide examples.                                      
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD004)                                                                             
WARNING: Potentially misspelled examples folder name found: NonBlockingSequence/Examples          
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD005)                                                                             
WARNING: Incorrect examples folder name case: NonBlockingSequence/Examples                        
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD006)                                                                             

Linter results for project: 0 ERRORS, 7 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/AhmedYousryM/NonBlockingSequence/