tlf: allow (de)serialization for team TLF IDs
tlf: allow (de)serialization for team TLF IDs

Issue: KBFS-2192

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/client,keybase/kbfs,keybase/client,keybase/client,keybase/kbfs,keybase/client,keybase/kbfs,keybase/client