Reorganize and add content for wildcard week

.gitignore

README.md

baremetal/example-blinks.jpg

baremetal/main.c

baremetal/main.elf

blink-arduino/README.md

blink-arduino/blink-arduino.ino

blink-arduino/img/arduino_ide.jpg

blink-openocd/Makefile

blink-openocd/README.md

blink-openocd/main.c

blink-openocd/main.elf

blink-openocd/openocd.cfg

...k-openocd/samd51/CMSIS/Documentation/Core/html/index.html

blink-openocd/samd51/CMSIS/Include/arm_common_tables.h

blink-openocd/samd51/CMSIS/Include/arm_const_structs.h

blink-openocd/samd51/CMSIS/Include/arm_math.h

blink-openocd/samd51/CMSIS/Include/cmsis_armcc.h

blink-openocd/samd51/CMSIS/Include/cmsis_armclang.h

blink-openocd/samd51/CMSIS/Include/cmsis_compiler.h