Add SparkFun TCXO and OCXO libraries

[PaulZC]

Adding the SparkFun TCXO and OCXO libraries:

• https://github.com/sparkfun/SparkFun_SiT5358_DCTCXO_Arduino_Library
• https://github.com/sparkfun/SparkFun_SiT5811_OCXO_Arduino_Library
• https://github.com/sparkfun/SparkFun_STP3593LF_OCXO_Arduino_Library

Thanks!
Paul

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/sparkfun/SparkFun_STP3593LF_OCXO_Arduino_Library:

Linting library in SparkFun_STP3593LF_OCXO_Arduino_Library
INFO: No header file found matching library name (SparkFun_STP3593LF_OCXO_Arduino_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 SparkFun STP3593LF OCXO Arduino 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 name SparkFun STP3593LF OCXO Arduino Library contains "Arduino". This is superfluous.         
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP014)                                                                                          
WARNING: library.properties name SparkFun STP3593LF OCXO Arduino 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 SparkFun STP3593LF OCXO Arduino Library contains "library". This is superfluous.         
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP016)                                                                                          

Linter results for project: 0 ERRORS, 4 WARNINGS

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

Linting sketch in SparkFun_STP3593LF_OCXO_Arduino_Library/examples/Example01_AlternateAddress

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_STP3593LF_OCXO_Arduino_Library/examples/Example02_setFrequencyByBiasMillis

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_STP3593LF_OCXO_Arduino_Library/examples/STP3593LF_Emulator

Linter results for project: no errors or warnings

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

Linter results for projects: 0 ERRORS, 4 WARNINGS

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/sparkfun/SparkFun_SiT5358_DCTCXO_Arduino_Library:

Linting library in SparkFun_SiT5358_DCTCXO_Arduino_Library
INFO: No header file found matching library name (SparkFun_SiT5358_DCTCXO_Arduino_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 SparkFun SiT5358 DCTCXO Arduino 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 name SparkFun SiT5358 DCTCXO Arduino Library contains "Arduino". This is superfluous.         
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP014)                                                                                          
WARNING: library.properties name SparkFun SiT5358 DCTCXO Arduino 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 SparkFun SiT5358 DCTCXO Arduino Library contains "library". This is superfluous.         
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP016)                                                                                          

Linter results for project: 0 ERRORS, 4 WARNINGS

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

Linting sketch in SparkFun_SiT5358_DCTCXO_Arduino_Library/examples/Example01_AlternateAddress

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5358_DCTCXO_Arduino_Library/examples/Example02_setFrequencyHz

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5358_DCTCXO_Arduino_Library/examples/Example03_IllegalFrequency

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5358_DCTCXO_Arduino_Library/examples/Example04_setFrequencyByBiasMillis

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5358_DCTCXO_Arduino_Library/examples/SiT5358_Emulator

Linter results for project: no errors or warnings

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

Linter results for projects: 0 ERRORS, 4 WARNINGS

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/sparkfun/SparkFun_SiT5811_OCXO_Arduino_Library:

Linting library in SparkFun_SiT5811_OCXO_Arduino_Library
INFO: No header file found matching library name (SparkFun_SiT5811_OCXO_Arduino_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 SparkFun SiT5811 OCXO Arduino 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 name SparkFun SiT5811 OCXO Arduino Library contains "Arduino". This is superfluous.           
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP014)                                                                                          
WARNING: library.properties name SparkFun SiT5811 OCXO Arduino 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 SparkFun SiT5811 OCXO Arduino Library contains "library". This is superfluous.           
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP016)                                                                                          

Linter results for project: 0 ERRORS, 4 WARNINGS

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

Linting sketch in SparkFun_SiT5811_OCXO_Arduino_Library/examples/Example01_AlternateAddress

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5811_OCXO_Arduino_Library/examples/Example02_setFrequencyHz

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5811_OCXO_Arduino_Library/examples/Example03_IllegalFrequency

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5811_OCXO_Arduino_Library/examples/Example04_setFrequencyByBiasMillis

Linter results for project: no errors or warnings

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

Linting sketch in SparkFun_SiT5811_OCXO_Arduino_Library/examples/SiT5811_Emulator

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/sparkfun/SparkFun_SiT5358_DCTCXO_Arduino_Library/
http://downloads.arduino.cc/libraries/logs/github.com/sparkfun/SparkFun_SiT5811_OCXO_Arduino_Library/
http://downloads.arduino.cc/libraries/logs/github.com/sparkfun/SparkFun_STP3593LF_OCXO_Arduino_Library/