Add RP2040/RP2350 SDIO, bug fixes

2.3.0-beta.1

Add RP2040/RP2350 SDIO, bug fixes

Move constructor and move assignment operator for file classes.

Move constructor and move assignment operator for file classes.
SdFatConfig.h options for file constructors and destructors.

Support missing MBR, bug fixes. new features

Support missing MBR, bug fixes. new features

Fixes, new RingBuf, SPI array options, clang-format source

2.2.1-beta.1

Fixes, new RingBuf, SPI array options, clang-format source

Fix SPI sleep/idle problem, update copyright

2.2.0-beta.1

Fix SPI sleep/idle problem, update copyright

Improve initialization of older cards

2.1.4.beta.5

Improve initialization of older cards

2.1.4.beta.4

Add Volume begin by start sector for Teensy

Improve SdInfo example, sd.end() and Teensy SDIO. Bug fixes.

2.1.4-beta.3

Improve SdInfo example, sd.end() and Teensy SDIO. Bug fixes.

Restructure for RTOS use, getName mods, bug fixes

2.1.4-beta.1

Restructure for RTOS use, getName mods, bug fixes

Refactor - add openExistingSFN

2.1.1-beta.1

Refactor - add openExistingSFN