* add docs for impl_codec_bitflags * add missing docs for type aliases * add docs to transfer module * add docs for settings module * add docs to roles module * add docs to metadata module * add docs to migration module * add missing docs to feature library * methods not functions * add docs to lock module * add docs to attributes module * add docs to create_delete_item module * add docs for create_delete_collection module * add docs to buy_sell module * add missing doc for buy_sell module * add docs to atomic_swap module * add docs to atomic_swap module * add docs for approvals module * run cargo fmt * Fix issues with multi-line comments * Apply suggestions from code review Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com> * update from review * fmt * update from review * remove bitflag example * ".git/.scripts/commands/fmt/fmt.sh" * Apply suggestions from code review Co-authored-by: Squirrel <gilescope@gmail.com> * add note about pallet features --------- Co-authored-by: Jegor Sidorenko <jegor@parity.io> Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com> Co-authored-by: parity-processbot <> Co-authored-by: Squirrel <gilescope@gmail.com>