Update repositories.txt

[epsilonrt]

Adds Hmi4DinBox library

[github-actions]

❌ ERROR: Arduino Lint found errors with https://github.com/epsilonrt/Hmi4DinBox:

Linting library in Hmi4DinBox
WARNING: Git submodule detected. Library Manager installations and installations from GitHub's "Download ZIP" will only 
         contain an empty folder in place of the submodule. (Rule LS004)                                                
ERROR: library.properties url value is less than minimum length.                                             
       See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
       (Rule LP056)                                                                                          
WARNING: library.properties url field value  does not have a valid URL format.                                 
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP041)                                                                                          
WARNING: Unable to load the library.properties url field: Head "": unsupported protocol scheme ""              
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP042)                                                                                          

Linter results for project: 1 ERRORS, 3 WARNINGS

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

Linting sketch in Hmi4DinBox/examples/BacklightDemo

Linter results for project: no errors or warnings

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

Linting sketch in Hmi4DinBox/examples/FullTest

Linter results for project: no errors or warnings

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

Linting sketch in Hmi4DinBox/examples/HelloWorld

Linter results for project: no errors or warnings

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

Linting sketch in Hmi4DinBox/examples/KeyboardDemo

Linter results for project: no errors or warnings

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

Linting sketch in Hmi4DinBox/examples/LcdContrast

Linter results for project: no errors or warnings

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

Linting sketch in Hmi4DinBox/examples/LedDemo

Linter results for project: no errors or warnings

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

Linter results for projects: 1 ERRORS, 3 WARNINGS

[github-actions]

Thanks for your interest in contributing to the Arduino Library Manager index @epsilonrt
Please resolve the error(s) mentioned in the previous comment.

After resolving the issue, trigger this check again by doing one of the following:

• Commit the required change to the branch you submitted this pull request from.
• Comment here, mentioning @ArduinoBot in the comment.

❗ NOTE: It is not necessary to open a new pull request. ❗

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

[epsilonrt]

@ArduinoBot is done.

[github-actions]

Hello! I'm checking your submission again.

[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/epsilonrt/Hmi4DinBox/