Add https://github.com/board707/DMD_STM32

[board707]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/board707/DMD_STM32:

Linting library in DMD_STM32
INFO: No header file found matching library name (DMD_STM32.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: library.properties depends field item(s) Adafruit-GFX-library not found in the Library Manager index. 
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP048)                                                                                          

Linter results for project: 0 ERRORS, 1 WARNINGS

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Linting sketch in DMD_STM32/examples/STM32F1/dmd_monochrome

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F1/dmd_rgb

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F1/dmd_rgb_bitmap

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F1/dmd_rgb_pattern_test

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_monochrome

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_multicolor_text

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_rgb

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_rgb_3216_s4_patterns

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_rgb_bitmap

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_rgb_dual_buf

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_rgb_pattern_test

Linter results for project: no errors or warnings

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Linting sketch in DMD_STM32/examples/STM32F4_RP2040/dmd_rgb_turk

Linter results for project: no errors or warnings

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Linter results for projects: 0 ERRORS, 1 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/board707/DMD_STM32/