Add CMD42 to library

[HoLo85]

add CMD42 to lock or unlock a card with a password

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[github-actions]

Memory usage change @ 37bd963

Board	flash	%	RAM for global variables	%
arduino:avr:leonardo	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:avr:mega	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:avr:nano	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:megaavr:nona4809	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0

Click for full report table

Board	examples/CardInfo flash	%	examples/CardInfo RAM for global variables	%	examples/Datalogger flash	%	examples/Datalogger RAM for global variables	%	examples/DumpFile flash	%	examples/DumpFile RAM for global variables	%	examples/Files flash	%	examples/Files RAM for global variables	%	examples/NonBlockingWrite flash	%	examples/NonBlockingWrite RAM for global variables	%	examples/ReadWrite flash	%	examples/ReadWrite RAM for global variables	%	examples/listfiles flash	%	examples/listfiles RAM for global variables	%
arduino:avr:leonardo	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
arduino:avr:mega	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
arduino:avr:nano	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
arduino:megaavr:nona4809	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0

Click for full report CSV

Board,examples/CardInfo<br>flash,%,examples/CardInfo<br>RAM for global variables,%,examples/Datalogger<br>flash,%,examples/Datalogger<br>RAM for global variables,%,examples/DumpFile<br>flash,%,examples/DumpFile<br>RAM for global variables,%,examples/Files<br>flash,%,examples/Files<br>RAM for global variables,%,examples/NonBlockingWrite<br>flash,%,examples/NonBlockingWrite<br>RAM for global variables,%,examples/ReadWrite<br>flash,%,examples/ReadWrite<br>RAM for global variables,%,examples/listfiles<br>flash,%,examples/listfiles<br>RAM for global variables,%
arduino:avr:leonardo,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:mega,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:nano,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:megaavr:nona4809,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0