feat: add DashSet::with_shard_amount and it's kin to mirror DashMap::with_shard_amount#277

tomkarw wants to merge 1 commit intoxacrimon:masterxacrimon/dashmap:masterfrom

tomkarw:feat-add-dashset-with-shard-amounttomkarw/dashmap:feat-add-dashset-with-shard-amountCopy head branch name to clipboard