bl00mbox: new synth backend split off from audio.c

README.md

components/badge23/CMakeLists.txt

components/badge23/audio.c

components/badge23/espan.c

components/badge23/include/badge23/audio.h

components/badge23/synth.c

components/bl00mbox/CMakeLists.txt

components/bl00mbox/README.md

components/bl00mbox/bl00mbox.c

components/bl00mbox/buds/tinysynth/tinysynth.c

components/bl00mbox/buds/tinysynth/tinysynth.h

components/bl00mbox/idf_component.yml

components/bl00mbox/include/bl00mbox.h

components/bl00mbox/include/bud_registry.h

components/bl00mbox/include/radspa.h

components/st3m/CMakeLists.txt

python_payload/apps/demo_sparabo.py

python_payload/apps/flow3r/menu_crazysynth.py

python_payload/apps/flow3r/menu_tinysynth.py

python_payload/apps/harmonic_demo.py