feat: direct multivariate polynomial evaluation in non-native

[ivokub]

Description

This PR adds direct multivariate polynomial evaluation using non-native arithmetic. It can be used to perform direct extension computation, used in pairing computation (BW6, BN254, BLS12-377). Also have included the direct extension evaluations for BW6. For other curves not yet as we're working with extension towers.

NB! Draft PR

Fixes # (issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How has this been tested?

• Test A
• Test B

How has this been benchmarked?

• Benchmark A, on Macbook pro M1, 32GB RAM
• Benchmark B, on x86 Intel xxx, 16GB RAM

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I did not modify files generated from templates
• golangci-lint does not output errors locally
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules