Restructure and consolidate existing I/O

Project.toml

src/KM3io.jl

src/acoustics.jl

src/definitions/module_status.jl

src/definitions/pmt_status.jl

src/evt.jl

src/hardware.jl

src/tools.jl

src/types.jl

test/acoustics.jl

test/data/testdata.evt

test/evttests.jl

test/hardware.jl

test/runtests.jl

test/samples/DOM_808956920_CH1_1608751683.bin

test/samples/acoustics_fit_parameters.txt

test/samples/acoustics_trigger_parameters.txt

test/samples/disable.txt

test/samples/hydrophone.txt

test/samples/mechanics.txt