Update repositories.txt

[fangamy]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/tuya/tuya-zigbee-mcu-sdk-arduino-library:

Linting library in tuya-zigbee-mcu-sdk-arduino-library
INFO: No header file found matching library name (Tuya_ZIGBEE_MCU_SDK.h). Best practices are for primary header filename
      to match library name. (Rule LS008)                                                                               
WARNING: library.properties name value Tuya_ZIGBEE_MCU_SDK is longer than the recommended length of 16 characters. (Rule
         LP010)                                                                                                         

Linter results for project: 0 ERRORS, 1 WARNINGS

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Linting sketch in tuya-zigbee-mcu-sdk-arduino-library/examples/ZigbeeDataPointType

Linter results for project: no errors or warnings

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Linting sketch in tuya-zigbee-mcu-sdk-arduino-library/examples/zigbee_start

Linter results for project: no errors or warnings

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Linter results for projects: 0 ERRORS, 1 WARNINGS

[fangamy]

Tuya Zigbee MCU SDK Arduino Library

[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/tuya/tuya-zigbee-mcu-sdk-arduino-library/