fix: save previous sample data in octets_to_sample

feat: update transport layer to accept whole frame

feat: add frame_state to transport package

chore: add documentation to the code

fix(transport): multiply by number of bits in octet in current_buffered_data

fix: add generic data to transport layer

fix(transport): correctly parse data and control bits

feat(transport): add transport layer octets to samples conversion

feat(transport): add transport layer entity