* SNES: Add Turbo File Twin support
* SNES: Try to make write mode flag more accurate
Hardware tests on Turbo File Twin seem to be showing that if you write data then it stops reporting that the write flag is on, despite letting you write more data
* SNES: Move bit array access to a utility
Also add note about how bit 26 in STF report is not fully verified
* SNES: Add behavior seen when reading without read command
When you turn the strobe on and off outside of a read command, the shift register gets reloaded with the most recently read or written byte
* NES, SNES: Emulator::SaveBattery() for saving console and controller
* Fix range limit in SetBitInArray
* Add notes about unknown aspects of TFII mode
* Add comments to make it clear what's unknown
* STF mode ignores out-of-range addresses
Also allocate _data instead of putting it in the class
* Code: Add auto-formatting rules for C++ projects (clang-format) and enforce code style via "clang-format" and "dotnet format"
* fix ui format warnings
NovaSquirrel