Merge commit of 1.1.0 changes

.github/workflows/cmake.yml

CMakeLists.txt

README.md

docs/Doxyfile.in

docs/DoxygenLayout.xml

docs/header.html

docs/index.h

docs/main.css

docs/styles.css

docs/weblinks_page.md

lib/tinyusb

pico_sdk_version.cmake

src/boards/include/boards/adafruit_feather_rp2040.h

src/boards/include/boards/adafruit_itsybitsy_rp2040.h

src/boards/include/boards/adafruit_qtpy_rp2040.h

src/boards/include/boards/pico.h

src/boards/include/boards/pimoroni_keybow2040.h

src/boards/include/boards/pimoroni_picosystem.h

src/boards/include/boards/pimoroni_tiny2040.h

src/boards/include/boards/sparkfun_micromod.h