feat: add done fields to tx, rx

chore: get rid of "pulse" from scl names

feat: handle errors in slave state

Moves logic of error handling to slave_state
from tx entity.

feat: add unexpected_sda tx signal

feat: add clear_buffer input to tx

feat: handle ack in rx, tx

feat(tx): remove unnecessary bit index

fix: tx bugs

chore: use integer instead of natural when with range

fix: compilation errors

feat: add i2c rx, tx entities