Update repositories.txt

[x821938]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/x821938/elog:

Linting library in elog
WARNING: library.properties maintainer value Alex Skov Jensen <arduino@offline.dk> contains "Arduino". 3rd party        
         libraries are not maintained by Arduino.                                                                       
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP057)                                                                                                   
WARNING: library.properties depends field item(s) SdFat_-_Adafruit_Fork not found in the Library Manager index.
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP048)                                                                                          
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)                                                                                                                           

Linter results for project: 0 ERRORS, 3 WARNINGS

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

Linting sketch in elog/examples/FileExample

Linter results for project: no errors or warnings

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

Linting sketch in elog/examples/SimpleExample

Linter results for project: no errors or warnings

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

Linting sketch in elog/examples/TimerExample

Linter results for project: no errors or warnings

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

Linter results for projects: 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/x821938/elog/