* removed unused file

* change field import

* change import of field package

* changed field import

* moved hash to poseidon and some changes to the field package

* changed file structure

* helper functions for coset_interpolation_gate

* coset interpolation gate working

* hard coded the coset gate (for now)

* refactored gate serialization

* initial commit for arithmetic extension gate

* fixed bug

* added regex for arithmeticExtensionGate