* bound unsigned when necessary * convert more type to AtLeast32BitUnsigned * Update primitives/arithmetic/src/traits.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * doc refactor * line reorganize Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>