Move field functions from monorepo to gnark-crypto #741
Description
Move important functions from https://github.com/Consensys/linea-monorepo/tree/prover/dev-small-fields/prover/maths/field to gnark-crypto.
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Move important functions from https://github.com/Consensys/linea-monorepo/tree/prover/dev-small-fields/prover/maths/field to gnark-crypto.