Update repositories.txt

[borysmatveichuk]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/Zentser/esp-zentser-sdk:

Linting library in esp-zentser-sdk
INFO: No header file found matching library name (Zentser_ESP_SDK.h). Best practices are for primary header filename to 
      match library name. (Rule LS008)                                                                                  
WARNING: library.properties name Zentser ESP SDK contains spaces. Although supported, best practices is to not use      
         spaces. (Rule LP015)                                                                                           
WARNING: No example sketches found. Please provide examples. See:                                                       
         https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples (Rule LD004)              

Linter results for project: 0 ERRORS, 2 WARNINGS

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[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/Zentser/esp-zentser-sdk/