Merge branch 'FlyPi' into 'develop'

FlyPi/Seeeduino/pwm_deck.ino

FlyPi/crazyflie-firmware-2021.06/.gitattributes

FlyPi/crazyflie-firmware-2021.06/.github/workflows/CI.yml

FlyPi/crazyflie-firmware-2021.06/.gitignore

FlyPi/crazyflie-firmware-2021.06/CONTRIBUTING.md

FlyPi/crazyflie-firmware-2021.06/LICENSE.txt

FlyPi/crazyflie-firmware-2021.06/Makefile

FlyPi/crazyflie-firmware-2021.06/README.md

FlyPi/crazyflie-firmware-2021.06/RELEASE_CHECKLIST.md

FlyPi/crazyflie-firmware-2021.06/Rakefile

FlyPi/crazyflie-firmware-2021.06/app_api/.gitignore

FlyPi/crazyflie-firmware-2021.06/app_api/Makefile

FlyPi/crazyflie-firmware-2021.06/app_api/README.md

FlyPi/crazyflie-firmware-2021.06/app_api/src/app_main.c

FlyPi/crazyflie-firmware-2021.06/docs/_data/menu.yml

...flie-firmware-2021.06/docs/building-and-flashing/build.md

FlyPi/crazyflie-firmware-2021.06/docs/development/dfu.md

FlyPi/crazyflie-firmware-2021.06/docs/development/howto.md

...ie-firmware-2021.06/docs/development/memory_management.md

FlyPi/crazyflie-firmware-2021.06/docs/development/oot.md