Update repositories.txt

[MWP]

Added Crystalfontz CFA039A0-N-V library

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/crystalfontz/Arduino_CFA039A0-N-V_Library:

Linting library in Arduino_CFA039A0-N-V_Library
INFO: No header file found matching library name (Crystalfontz_CFA039A0-N-V_Library.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 name value Crystalfontz CFA039A0-N-V Library is longer than the recommended length of 32    
         characters.                                                                                                    
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP010)                                                                                                   
WARNING: library.properties name Crystalfontz CFA039A0-N-V Library contains spaces. Although supported, best practices  
         is to not use spaces.                                                                                          
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP015)                                                                                                   
WARNING: Library name Crystalfontz CFA039A0-N-V Library contains "library". This is superfluous.               
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP016)                                                                                          
WARNING: The library.properties paragraph field repeats the sentence field. These are displayed together so redundancy  
         is not needed.                                                                                                 
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP036)                                                                                                   

Linter results for project: 0 ERRORS, 4 WARNINGS

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

Linting sketch in Arduino_CFA039A0-N-V_Library/examples/GfxControls-and-LEDs

Linter results for project: no errors or warnings

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

Linting sketch in Arduino_CFA039A0-N-V_Library/examples/TouchDrawing-LEDs-and-Keypad

Linter results for project: no errors or warnings

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

Linter results for projects: 0 ERRORS, 4 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/crystalfontz/Arduino_CFA039A0-N-V_Library/