Merge commit 'b634253c' as 'SW/libs'

SW/libs/.gitignore

SW/libs/CMakeLists.txt

SW/libs/README.md

SW/libs/examples/uart/CMakeLists.txt

SW/libs/examples/uart/main.cpp

SW/libs/examples/wait/CMakeLists.txt

SW/libs/examples/wait/main.cpp

SW/libs/install.sh

SW/libs/src/MCP2515.cpp

SW/libs/src/MCP2515.h

SW/libs/src/MFRC522.cpp

SW/libs/src/MFRC522.h

SW/libs/src/adc.cpp

SW/libs/src/adc.h

SW/libs/src/circularbuffer.h

SW/libs/src/cplusplus.cpp

SW/libs/src/cplusplus.h

SW/libs/src/external_interrupt.h

SW/libs/src/external_interrupt/ext_irq_m128.cpp

SW/libs/src/external_interrupt/ext_irq_m128.h