mathlib3

94201677 - feat(category_theory): unbundled functors and lax monoidal functors (#2193)

feat(category_theory): unbundled functors and lax monoidal functors (#2193) * feat(category_theory): unbundled functors and lax monoidal functors * doc string Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>