3.0.0 Supporting more radio chips and processors

This is a major update as some behaviors in the library have changed and includes several contributions from users.

See CHANGELOG](CHANGELOG.md)

What's Changed

• Add #include <stdarg.h> in files using va_start etc by @fjansson in #52
• Si4703 rds error detect by @mathertel in #62
• Added Si4703 RDS error detection and GPIO-write-feature by @mcgurk in #57
• Added RDA5807FP with I2S support by @fehlfarbe in #61
• Major Update (Breaking changes included) by @mathertel in #63

New Contributors

• @fjansson made their first contribution in #52
• @mcgurk made their first contribution in #57
• @fehlfarbe made their first contribution in #61

Full List of changes: 2.0.0...3.0.0