Update repositories.txt

[Khuuxuanngoc]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/Khuuxuanngoc/Makerlabvn_I2C_Line_Follower_Sensor:

Linting library in Makerlabvn_I2C_Line_Follower_Sensor
WARNING: library.properties name value Makerlabvn_I2C_Line_Follower_Sensor is longer than the recommended length of 32  
         characters.                                                                                                    
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP010)                                                                                                   

Linter results for project: 0 ERRORS, 1 WARNINGS

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Linting sketch in Makerlabvn_I2C_Line_Follower_Sensor/examples/I2C_Line_Follower_SensorWithKxnTask_Serial

Linter results for project: no errors or warnings

-------------------

Linting sketch in Makerlabvn_I2C_Line_Follower_Sensor/examples/I2C_Line_Follower_Sensor_Serial_Basic

Linter results for project: no errors or warnings

-------------------

Linting sketch in Makerlabvn_I2C_Line_Follower_Sensor/examples/I2C_Line_Follower_Sensor_Serial_DrawValue

Linter results for project: no errors or warnings

-------------------

Linting sketch in Makerlabvn_I2C_Line_Follower_Sensor/examples/I2C_Line_Follower_Sensor_Serial_ThresholdValue

Linter results for project: no errors or warnings

-------------------

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/Khuuxuanngoc/Makerlabvn_I2C_Line_Follower_Sensor/