[python] quanity pip requirements

add LICENSE

[meta] update README

[python] remove peakutils since its no longer needed

[python] adjust font

[android][python] rejigger to transmit text only

[python] fix typos

[python] refactor WAV decoding

[android][python] drop sample interval to 100ms

[android][python] increase throughput to 8 bits per chunk

[python] add reed solomon forward error correction

[python] allow recording from mic

[python] parametrize protocol constants

[python] add handshake protocol support

[android] add debugging for tone generation