Error Corrections

• I2SCodecStream reported wrong audio info
• AudioDecoder isResultPCM() should return true
• AudioPlayer call begin on volume_out
• WAVDecoder: Correct ADPCM
• Simplify WAV Header Parsing
• Maximilian correct broken loading from file
• Correct FFT compile errors
• ESP32: ADC_ATTEN_DB_11 is deprciated
• STM32: Ethernet support
• RP2040 MBED: correct compile errors

New Functionality

• AudioSourceSD pass SPI as argument in constructor
• FormatConverterStream provide begin() method
• AudioBoardStream provide new setActionVolumeIncrement() method
• Buffered URL: define optional buffer size
• A2DPStream provide access to buffer information