Update repositories.txt

[cakraawijaya]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/cakraawijaya/MQ2_LPG:

Linting library in MQ2_LPG
WARNING: Sketch(es) found outside examples and extras folders:                                    
           MQ2_LPG/example/basic_mq2_lpg                                                          
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD003)                                                                             
WARNING: Potentially misspelled examples folder name found: MQ2_LPG/example                       
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples
         (Rule LD005)                                                                             

Linter results for project: 0 ERRORS, 2 WARNINGS

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Linting sketch in MQ2_LPG/example/basic_mq2_lpg

Linter results for project: no errors or warnings

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

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/cakraawijaya/MQ2_LPG/