fix: make char alignment work for part characters correctly

Merge pull request #14 from Rutherther/feat/add-frame-clock

Add frame clock handling

feat: reset everything in ring buffer

feat: make frame alignment output aligned octets in frames instead of octets

fix: make buffer inside of ring buffer triple instead of twice temporarily

feat: rewrite frame alignment to use ring buffer

feat: add ring_buffer for std_logic_vector

chore: add documentation to the code

fix(link): make testbenches work in quartus, fix old testbenches

fix(link): check that characters in ilas parser are control characters

ILAS parser did not check that characters are control characters,
error would be encountered if there was R or A non-kout character

fix(link): correctly change next_error when generation order

chore: fix formatting

feat(link): add error handler entity for managing data link errors (lane misalignment, frame misalignment, not in table error, disparity error, unexpected character error)

feat(link): add counting of wrong sync characters on the same place in frame alignment

feat(link): add data link layer component connecting all data link components

feat(link): output frame_character from data link, add user_data to character

feat(link): add link controller

feat(data): remove ERR state

feat(data): switch to ILS mode in ilas parser when received non K character in CGS

feat(data): do not reset config when switching from ILS to DATA