fix(link): move start of ilas config to correct octet (3rd), send 28.4 before ilas config

feat(link): add ilas parser testbench

feat(link): add lane alignment testbench

chore: use ghw format instead of vcd

feat(link): use character_vector in 8b10b decoder

feat(link): add frame alignment test bench

feat(link): add char alignment test bench

feat(link): add 8b10b decoder testbench