* init vptq * add integration * add vptq support fix readme * add tests && format * format * address comments * format * format * address comments * format * address comments * remove debug code * Revert "remove debug code" This reverts commit ed3b3eaaba82caf58cb3aa6e865d98e49650cf66. * fix test --------- Co-authored-by: Yang Wang <wyatuestc@gmail.com>