Move from flat-layout to src-layout

.gitignore

MANIFEST.in

docs/conf.py

pyproject.toml

setup.py

src/evdev/__init__.py

src/evdev/device.py

src/evdev/ecodes.py

src/evdev/ecodes_runtime.py

src/evdev/eventio.py

src/evdev/eventio_async.py

src/evdev/events.py

src/evdev/evtest.py

src/evdev/ff.py

src/evdev/genecodes_c.py

src/evdev/genecodes_py.py

src/evdev/input.c

src/evdev/uinput.c

src/evdev/uinput.py

src/evdev/util.py