Update repositories.txt

[toddpan]

ESP32 虾哥小智平台MCP客户端库，用于通过MCP插件将ESP32设备接入虾哥小智平台，支持工具注册和调用，可通过小智AI音箱控制设备。

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/toddpan/xiaozhi-esp32-mcp:

Linting library in xiaozhi-esp32-mcp
INFO: No header file found matching library name (xiaozhi-mcp.h). Best practices are for primary header filename to     
      match library name.                                                                                               
      See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format            
      (Rule LS008)                                                                                                      
WARNING: Missing architectures field in library.properties                                                     
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP043)                                                                                          
WARNING: library.properties includes field item(s) xiaozhi_mcp.h not found in library.                         
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP052)                                                                                          

Linter results for project: 0 ERRORS, 2 WARNINGS

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Linting sketch in xiaozhi-esp32-mcp/examples/BasicExample

Linter results for project: no errors or warnings

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Linting sketch in xiaozhi-esp32-mcp/examples/SmartSwitchExample

Linter results for project: no errors or warnings

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Linting sketch in xiaozhi-esp32-mcp/examples/XiaozhiEsp32MCP

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/toddpan/xiaozhi-esp32-mcp/