Feature/bn128 montgomery multiplication#3

Draft

AllFi wants to merge 3 commits intodevelopfrom feature/bn128_montgomery_multiplication

+612-93

Commits on Dec 5, 2023

feat(precompiles): implement montgomery arithmetic
AllFi
committed

Commits on Dec 14, 2023

feat(precompiles): fix code style issues
AllFi
committed

Commits on Dec 20, 2023

feat(precompiles): check negative values
AllFi
committed