add BvWf typeclass

2 jobs for !250 with msammler/bitvector in 4 minutes and 42 seconds (queued for 10 seconds)
detached
Status Name Job ID Coverage
  Build
passed build-coq.8.10.2 #160846
fp

00:04:37

passed build-coq.8.14.1-mr #160845
fp

00:04:16